Astronomy

Rainbow Green

Rainbow Green
#00CC66Click to copy

Rainbow Green Parameter Conversion Table

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HEX#00CC66Copy
RGBrgb(0, 204, 102)Copy
HSLhsl(150, 100%, 40%)Copy
HSV/HSBhsv(150, 100%, 80%)Copy
CMYKcmyk(100%, 0%, 50%, 20%)Copy
Complementary
#00CC66
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#CC0066
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Analogous
#00CC00
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#00CCCC
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Split Complementary
#CC00CC
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#CC0000
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Monochromatic
#00CC66
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#42F099
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#A1F7CC
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#006633
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#000000
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#000000
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Rainbow Green WCAG Accessibility Contrast

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The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)

Sample text Aa
White background #FFFFFF
2.14 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
9.83 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
1.96 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
5.91 : 1
AA NormalAA LargeAAA NormalAAA Large

Rainbow Green Shade Variants

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Lighten with White Mixed with white for a lighter, softer color
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Darken with Black Mixed with black for a deeper, heavier color
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Muted / Morandi Mixed with gray and desaturated for a sophisticated muted tone
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Rainbow Green Color Introduction

Definition

Rainbow Green (HEX #00CC66) has the RGB value rgb(0, 204, 102), the HSL value hsl(150°, 100%, 40%) and the CMYK print value cmyk(100%, 0%, 50%, 20%). In terms of color schemes, the complement of Rainbow Green is #CC0066, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #00CC00 and #00CCCC that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#CC00CC, #CC0000) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Rainbow Green uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Rainbow Green has a contrast ratio of 2.14:1 against white and 9.83:1 against black; paired with a black background it reaches AAA, making it ideal for text and accent colors in dark mode.

Color Characteristics

Green is the base color of nature, evoking forests, lawns and new plants. Calm yet full of life, it carries a natural sense of trust in environmental, health and finance sectors. Specifically, Rainbow Green has a lightness of 40% and a saturation of 100%, striking and generous as a background or primary color, offering good readability with either light or dark text; moreover, its saturation is extremely high and its visual tension is strong, so it works best used sparingly as a focal accent. In a word: The green in a rainbow, fresh and natural, soft in tone.

Color Psychology

Green can evoke relaxation, safety and balance, with a marked soothing effect; psychologically it symbolizes nature, health and hope. For this reason Rainbow Green tends to leave a first impression of being calm and natural in the viewer’s mind, and this emotional tone also defines the role it plays in design.

Best Uses

Green suits environmental campaigns, healthcare, tea brands and any scene that needs to convey natural trust. In real projects, Rainbow Green is also often used as a dark background or heading text color; in “Green”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.

Rainbow Green Featured In

This color is included in the following color cards and color families. Click a card to browse more colors in the corresponding collection.