#CCEF57#CCEF57

#CCEF57 is a very light, vivid yellow-green. Relative luminance 0.753; OKLCH L 89.9% C 0.179 H 121.2°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#CCEF57
RGB	rgb(204, 239, 87)
HSL	hsl(74, 83%, 64%)
HSV	hsv(74, 64%, 94%)
CMYK	cmyk(14.6%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(89.51, -31.95, 67.27)
CIE-LCH	lch(89.51, 74.47, 115.41°)
OKLab	oklab(89.86% -0.0928 0.1532)
OKLCH	oklch(89.86% 0.179 121.2)
XYZ	xyz(57.4894, 75.2585, 20.5127)
Luminance	0.7526 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCEF57 #7A57EF

analogous

#EFC657 #CCEF57 #80EF57

triadic

#CCEF57 #57CCEF #EF57CC

tetradic

#CCEF57 #57EFC6 #7A57EF #EF5780

square

#CCEF57 #57EFC6 #7A57EF #EF5780

split-complementary

#CCEF57 #5780EF #C657EF

monochromatic

#93BA12 #BBEA1F #CCEF57 #DDF48F #EEFAC7

Accessibility & contrast

On white

1.31

#CCEF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.05

#CCEF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCEF57

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCEF57	#FFFFFF	#000000	##000000
##CCEF57	1.00	1.31	16.05	16.05
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.05	21.00	1.00	1.00
##000000	16.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE243

Deuteranopia (green-blind)

#F8E162

Tritanopia (blue-blind)

#D6E3D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ccef57;
/* rgb */ color: rgb(204, 239, 87);
/* oklch */ color: oklch(89.9% 0.179 121.2);

Tailwind

colors: {
  custom: {
    50: '#dff48d',
    500: '#ccef57',
    950: '#000000',
  },
}

SCSS

$custom: #ccef57;
$custom-light: #dff48d;
$custom-dark: #000000;

JSON

{
  "hex": "#ccef57",
  "rgb": {
    "r": 204,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 73.816,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.89864,
    "c": 0.17912,
    "h": 121.2
  },
  "luminance": 0.75258
}

Semantic roles & 50–950 ramp

primary

#CCEF57

secondary

#5131B9

accent

#06DF38

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CCEF57

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

Preview Lab → · Contrast checker → · Palette generator →