#CCFF04#CCFF04

#CCFF04 is a very light, highly saturated yellow-green. Relative luminance 0.844; OKLCH L 93.1% C 0.228 H 123.1°. Best body text is #000000 at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#CCFF04
RGB	rgb(204, 255, 4)
HSL	hsl(72, 100%, 51%)
HSV	hsv(72, 98%, 100%)
CMYK	cmyk(20%, 0%, 98.4%, 0%)
CIE-LAB	lab(93.61, -41.91, 89.99)
CIE-LCH	lch(93.61, 99.27, 114.97°)
OKLab	oklab(93.08% -0.1246 0.1911)
OKLCH	oklch(93.08% 0.228 123.1)
XYZ	xyz(60.6848, 84.3658, 13.2020)
Luminance	0.8437 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCFF04 #3704FF

analogous

#FFB404 #CCFF04 #4EFF04

triadic

#CCFF04 #04CCFF #FF04CC

tetradic

#CCFF04 #04FFB4 #3704FF #FF044E

square

#CCFF04 #04FFB4 #3704FF #FF044E

split-complementary

#CCFF04 #044EFF #B404FF

monochromatic

#6D8900 #9EC600 #CCFF04 #D8FF41 #E5FF7E

Accessibility & contrast

On white

1.17

#CCFF04 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.87

#CCFF04 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCFF04

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCFF04	#FFFFFF	#000000	##000000
##CCFF04	1.00	1.17	17.87	17.87
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.87	21.00	1.00	1.00
##000000	17.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE00

Deuteranopia (green-blind)

#FFEC36

Tritanopia (blue-blind)

#D7F1D9

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ccff04;
/* rgb */ color: rgb(204, 255, 4);
/* oklch */ color: oklch(93.1% 0.228 123.1);

Tailwind

colors: {
  custom: {
    50: '#e1ff72',
    500: '#ccff04',
    950: '#000000',
  },
}

SCSS

$custom: #ccff04;
$custom-light: #e1ff72;
$custom-dark: #000000;

JSON

{
  "hex": "#ccff04",
  "rgb": {
    "r": 204,
    "g": 255,
    "b": 4
  },
  "hsl": {
    "h": 72.191,
    "s": 100,
    "l": 50.784
  },
  "oklch": {
    "l": 0.93075,
    "c": 0.22817,
    "h": 123.1
  },
  "luminance": 0.84366
}

Semantic roles & 50–950 ramp

primary

#CCFF04

secondary

#31198E

accent

#29FF54

background

#FFFFFB

surface

#FEFFF1

border

#D6D7CB

text

#16180A

muted

#85867D

Preview Lab

Preview with #CCFF04

Body copy rendered with the generated semantic roles for this colour.

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