Yellow
Fluorescent Color
Fluorescent Color
#CCFF00Click to copy
Fluorescent Color Parameter Conversion Table
More converters →HEX#CCFF00Copy
RGBrgb(204, 255, 0)Copy
HSLhsl(72, 100%, 50%)Copy
HSV/HSBhsv(72, 100%, 100%)Copy
CMYKcmyk(20%, 0%, 100%, 0%)Copy
Fluorescent Color Color Schemes
Complementary
#CCFF00
Click to copy#3300FF
Click to copyAnalogous
#FFB300
Click to copy#4DFF00
Click to copySplit Complementary
#004CFF
Click to copy#B300FF
Click to copyMonochromatic
#CCFF00
Click to copy#DAF471
Click to copy#F3FBD0
Click to copy#7A9900
Click to copy#293300
Click to copy#000000
Click to copyFluorescent Color WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Sample text Aa
White background #FFFFFF
1.18 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
17.87 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
1.08 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
10.75 : 1
AA NormalAA LargeAAA NormalAAA Large
Fluorescent Color Shade Variants
Gradient Generator →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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Fluorescent Color Color Introduction
Definition
Fluorescent Color (HEX #CCFF00) has the RGB value rgb(204, 255, 0), the HSL value hsl(72°, 100%, 50%) and the CMYK print value cmyk(20%, 0%, 100%, 0%). In terms of color schemes, the complement of Fluorescent Color is #3300FF, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #FFB300 and #4CFF00 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#004CFF, #B300FF) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Fluorescent Color uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Fluorescent Color has a contrast ratio of 1.18:1 against white and 17.87:1 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, Fluorescent Color has a lightness of 50% 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: A luminous color.
Color Psychology
Green can evoke relaxation, safety and balance, with a marked soothing effect; psychologically it symbolizes nature, health and hope. For this reason Fluorescent Color 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, Fluorescent Color 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.
Fluorescent Color 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.