#C4E851#C4E851

#C4E851 is a very light, vivid yellow-green. Relative luminance 0.700; OKLCH L 87.7% C 0.178 H 121.7°. Best body text is #000000 at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#C4E851
RGB	rgb(196, 232, 81)
HSL	hsl(74, 77%, 61%)
HSV	hsv(74, 65%, 91%)
CMYK	cmyk(15.5%, 0%, 65.1%, 9%)
CIE-LAB	lab(87.02, -32.22, 66.83)
CIE-LCH	lch(87.02, 74.20, 115.74°)
OKLab	oklab(87.71% -0.0936 0.1516)
OKLCH	oklch(87.71% 0.178 121.7)
XYZ	xyz(53.1074, 70.0430, 18.5048)
Luminance	0.7004 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E851 #7551E8

analogous

#E8C151 #C4E851 #79E851

triadic

#C4E851 #51C4E8 #E851C4

tetradic

#C4E851 #51E8C1 #7551E8 #E85179

square

#C4E851 #51E8C1 #7551E8 #E85179

split-complementary

#C4E851 #5179E8 #C151E8

monochromatic

#86A816 #B0DE1D #C4E851 #D6EF87 #E9F6BD

Accessibility & contrast

On white

1.40

#C4E851 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.01

#C4E851 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E851

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E851	#FFFFFF	#000000	##000000
##C4E851	1.00	1.40	15.01	15.01
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.01	21.00	1.00	1.00
##000000	15.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB3C

Deuteranopia (green-blind)

#F1DA5C

Tritanopia (blue-blind)

#CEDDC9

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #c4e851;
/* rgb */ color: rgb(196, 232, 81);
/* oklch */ color: oklch(87.7% 0.178 121.7);

Tailwind

colors: {
  custom: {
    50: '#d9ef89',
    500: '#c4e851',
    950: '#000000',
  },
}

SCSS

$custom: #c4e851;
$custom-light: #d9ef89;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e851",
  "rgb": {
    "r": 196,
    "g": 232,
    "b": 81
  },
  "hsl": {
    "h": 74.305,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.87705,
    "c": 0.17821,
    "h": 121.7
  },
  "luminance": 0.70043
}

Semantic roles & 50–950 ramp

primary

#C4E851

secondary

#5033AA

accent

#0DD93D

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160C

muted

#84857F

Preview Lab

Preview with #C4E851

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

Preview Lab → · Contrast checker → · Palette generator →