#C4E631#C4E631

#C4E631 is a very light, vivid yellow-green. Relative luminance 0.686; OKLCH L 87.1% C 0.194 H 120.3°. Best body text is #000000 at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#C4E631
RGB	rgb(196, 230, 49)
HSL	hsl(71, 78%, 55%)
HSV	hsv(71, 79%, 90%)
CMYK	cmyk(14.8%, 0%, 78.7%, 9.8%)
CIE-LAB	lab(86.28, -32.94, 76.82)
CIE-LCH	lch(86.28, 83.58, 113.21°)
OKLab	oklab(87.05% -0.0982 0.1677)
OKLCH	oklch(87.05% 0.194 120.3)
XYZ	xyz(51.6172, 68.5513, 13.4176)
Luminance	0.6855 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E631 #5331E6

analogous

#E6AE31 #C4E631 #69E631

triadic

#C4E631 #31C4E6 #E631C4

tetradic

#C4E631 #31E6AE #5331E6 #E63169

square

#C4E631 #31E6AE #5331E6 #E63169

split-complementary

#C4E631 #3169E6 #AE31E6

monochromatic

#758C11 #A2C218 #C4E631 #D4ED68 #E3F39E

Accessibility & contrast

On white

1.43

#C4E631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.71

#C4E631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E631

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E631	#FFFFFF	#000000	##000000
##C4E631	1.00	1.43	14.71	14.71
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.71	21.00	1.00	1.00
##000000	14.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5D800

Deuteranopia (green-blind)

#F1D844

Tritanopia (blue-blind)

#CFDAC5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c4e631;
/* rgb */ color: rgb(196, 230, 49);
/* oklch */ color: oklch(87.1% 0.194 120.3);

Tailwind

colors: {
  custom: {
    50: '#daee79',
    500: '#c4e631',
    950: '#000000',
  },
}

SCSS

$custom: #c4e631;
$custom-light: #daee79;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e631",
  "rgb": {
    "r": 196,
    "g": 230,
    "b": 49
  },
  "hsl": {
    "h": 71.271,
    "s": 78.355,
    "l": 54.706
  },
  "oklch": {
    "l": 0.87052,
    "c": 0.19436,
    "h": 120.3
  },
  "luminance": 0.68551
}

Semantic roles & 50–950 ramp

primary

#C4E631

secondary

#3E2A91

accent

#33F557

background

#FEFEFB

surface

#FCFDF2

border

#D5D5CC

text

#15160A

muted

#84847D

Preview Lab

Preview with #C4E631

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

Preview Lab → · Contrast checker → · Palette generator →