#CEEF57#CEEF57

#CEEF57 is a very light, vivid yellow-green. Relative luminance 0.755; OKLCH L 90.0% C 0.178 H 120.6°. Best body text is #000000 at 16.11:1 contrast (WCAG AA passes).

Color values

HEX	#CEEF57
RGB	rgb(206, 239, 87)
HSL	hsl(73, 83%, 64%)
HSV	hsv(73, 64%, 94%)
CMYK	cmyk(13.8%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(89.65, -31.18, 67.45)
CIE-LCH	lch(89.65, 74.31, 114.81°)
OKLab	oklab(90.01% -0.0907 0.1536)
OKLCH	oklch(90.01% 0.178 120.6)
XYZ	xyz(58.0412, 75.5431, 20.5386)
Luminance	0.7554 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEEF57 #7857EF

analogous

#EFC457 #CEEF57 #82EF57

triadic

#CEEF57 #57CEEF #EF57CE

tetradic

#CEEF57 #57EFC4 #7857EF #EF5782

square

#CEEF57 #57EFC4 #7857EF #EF5782

split-complementary

#CEEF57 #5782EF #C457EF

monochromatic

#95BA12 #BEEA1F #CEEF57 #DEF48F #EFFAC7

Accessibility & contrast

On white

1.30

#CEEF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.11

#CEEF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEEF57

16.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEEF57	#FFFFFF	#000000	##000000
##CEEF57	1.00	1.30	16.11	16.11
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.11	21.00	1.00	1.00
##000000	16.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE243

Deuteranopia (green-blind)

#F9E262

Tritanopia (blue-blind)

#D9E3D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ceef57;
/* rgb */ color: rgb(206, 239, 87);
/* oklch */ color: oklch(90.0% 0.178 120.6);

Tailwind

colors: {
  custom: {
    50: '#e0f48d',
    500: '#ceef57',
    950: '#000000',
  },
}

SCSS

$custom: #ceef57;
$custom-light: #e0f48d;
$custom-dark: #000000;

JSON

{
  "hex": "#ceef57",
  "rgb": {
    "r": 206,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 73.026,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.90005,
    "c": 0.17836,
    "h": 120.6
  },
  "luminance": 0.75543
}

Semantic roles & 50–950 ramp

primary

#CEEF57

secondary

#4F31B9

accent

#06DF35

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEEF57

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

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