#C5DE57#C5DE57

#C5DE57 is a very light, vivid yellow-green. Relative luminance 0.648; OKLCH L 85.6% C 0.161 H 118.8°. Best body text is #000000 at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#C5DE57
RGB	rgb(197, 222, 87)
HSL	hsl(71, 67%, 61%)
HSV	hsv(71, 61%, 87%)
CMYK	cmyk(11.3%, 0%, 60.8%, 12.9%)
CIE-LAB	lab(84.38, -26.73, 61.62)
CIE-LCH	lch(84.38, 67.16, 113.45°)
OKLab	oklab(85.62% -0.0778 0.1414)
OKLCH	oklch(85.62% 0.161 118.8)
XYZ	xyz(50.8683, 64.8013, 18.8431)
Luminance	0.6480 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5DE57 #7057DE

analogous

#DEB357 #C5DE57 #81DE57

triadic

#C5DE57 #57C5DE #DE57C5

tetradic

#C5DE57 #57DEB3 #7057DE #DE5781

square

#C5DE57 #57DEB3 #7057DE #DE5781

split-complementary

#C5DE57 #5781DE #B357DE

monochromatic

#859C1F #B0CF29 #C5DE57 #D7E88A #E8F2BD

Accessibility & contrast

On white

1.50

#C5DE57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.96

#C5DE57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5DE57

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5DE57	#FFFFFF	#000000	##000000
##C5DE57	1.00	1.50	13.96	13.96
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.96	21.00	1.00	1.00
##000000	13.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD247

Deuteranopia (green-blind)

#E9D360

Tritanopia (blue-blind)

#D0D3C2

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #c5de57;
/* rgb */ color: rgb(197, 222, 87);
/* oklch */ color: oklch(85.6% 0.161 118.8);

Tailwind

colors: {
  custom: {
    50: '#d9e88c',
    500: '#c5de57',
    950: '#000000',
  },
}

SCSS

$custom: #c5de57;
$custom-light: #d9e88c;
$custom-dark: #000000;

JSON

{
  "hex": "#c5de57",
  "rgb": {
    "r": 197,
    "g": 222,
    "b": 87
  },
  "hsl": {
    "h": 71.111,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.85615,
    "c": 0.1614,
    "h": 118.8
  },
  "luminance": 0.64801
}

Semantic roles & 50–950 ramp

primary

#C5DE57

secondary

#4C3AA0

accent

#16CF39

background

#FEFEFC

surface

#FCFCF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C5DE57

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

Preview Lab → · Contrast checker → · Palette generator →