#C5E631#C5E631

#C5E631 is a very light, vivid yellow-green. Relative luminance 0.687; OKLCH L 87.1% C 0.194 H 120.1°. Best body text is #000000 at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#C5E631
RGB	rgb(197, 230, 49)
HSL	hsl(71, 78%, 55%)
HSV	hsv(71, 79%, 90%)
CMYK	cmyk(14.3%, 0%, 78.7%, 9.8%)
CIE-LAB	lab(86.35, -32.54, 76.91)
CIE-LCH	lch(86.35, 83.51, 112.93°)
OKLab	oklab(87.12% -0.0971 0.1679)
OKLCH	oklch(87.12% 0.194 120.1)
XYZ	xyz(51.8782, 68.6859, 13.4298)
Luminance	0.6869 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E631 #5231E6

analogous

#E6AC31 #C5E631 #6BE631

triadic

#C5E631 #31C5E6 #E631C5

tetradic

#C5E631 #31E6AC #5231E6 #E6316B

square

#C5E631 #31E6AC #5231E6 #E6316B

split-complementary

#C5E631 #316BE6 #AC31E6

monochromatic

#758C11 #A3C218 #C5E631 #D4ED68 #E4F39E

Accessibility & contrast

On white

1.42

#C5E631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.74

#C5E631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E631

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E631	#FFFFFF	#000000	##000000
##C5E631	1.00	1.42	14.74	14.74
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.74	21.00	1.00	1.00
##000000	14.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5D800

Deuteranopia (green-blind)

#F1D844

Tritanopia (blue-blind)

#D1D9C5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c5e631;
/* rgb */ color: rgb(197, 230, 49);
/* oklch */ color: oklch(87.1% 0.194 120.1);

Tailwind

colors: {
  custom: {
    50: '#dbed79',
    500: '#c5e631',
    950: '#000000',
  },
}

SCSS

$custom: #c5e631;
$custom-light: #dbed79;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e631",
  "rgb": {
    "r": 197,
    "g": 230,
    "b": 49
  },
  "hsl": {
    "h": 70.939,
    "s": 78.355,
    "l": 54.706
  },
  "oklch": {
    "l": 0.87123,
    "c": 0.19396,
    "h": 120.1
  },
  "luminance": 0.68686
}

Semantic roles & 50–950 ramp

primary

#C5E631

secondary

#3D2A91

accent

#33F556

background

#FEFEFB

surface

#FCFDF2

border

#D5D5CC

text

#15160A

muted

#84847D

Preview Lab

Preview with #C5E631

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

Preview Lab → · Contrast checker → · Palette generator →