#C9EB57#C9EB57

#C9EB57 is a very light, vivid yellow-green. Relative luminance 0.725; OKLCH L 88.8% C 0.175 H 121.1°. Best body text is #000000 at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#C9EB57
RGB	rgb(201, 235, 87)
HSL	hsl(74, 79%, 63%)
HSV	hsv(74, 63%, 92%)
CMYK	cmyk(14.5%, 0%, 63%, 7.8%)
CIE-LAB	lab(88.22, -31.26, 65.83)
CIE-LCH	lch(88.22, 72.88, 115.40°)
OKLab	oklab(88.77% -0.0907 0.1502)
OKLCH	oklch(88.77% 0.175 121.1)
XYZ	xyz(55.5167, 72.5223, 20.0885)
Luminance	0.7252 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EB57 #7957EB

analogous

#EBC357 #C9EB57 #7FEB57

triadic

#C9EB57 #57C9EB #EB57C9

tetradic

#C9EB57 #57EBC3 #7957EB #EB577F

square

#C9EB57 #57EBC3 #7957EB #EB577F

split-complementary

#C9EB57 #577FEB #C357EB

monochromatic

#8EB215 #B7E420 #C9EB57 #DBF28E #ECF8C4

Accessibility & contrast

On white

1.35

#C9EB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.50

#C9EB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EB57

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EB57	#FFFFFF	#000000	##000000
##C9EB57	1.00	1.35	15.50	15.50
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.50	21.00	1.00	1.00
##000000	15.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE44

Deuteranopia (green-blind)

#F4DE62

Tritanopia (blue-blind)

#D3DFCC

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c9eb57;
/* rgb */ color: rgb(201, 235, 87);
/* oklch */ color: oklch(88.8% 0.175 121.1);

Tailwind

colors: {
  custom: {
    50: '#dcf18d',
    500: '#c9eb57',
    950: '#000000',
  },
}

SCSS

$custom: #c9eb57;
$custom-light: #dcf18d;
$custom-dark: #000000;

JSON

{
  "hex": "#c9eb57",
  "rgb": {
    "r": 201,
    "g": 235,
    "b": 87
  },
  "hsl": {
    "h": 73.784,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.88771,
    "c": 0.17549,
    "h": 121.1
  },
  "luminance": 0.72522
}

Semantic roles & 50–950 ramp

primary

#C9EB57

secondary

#5134B3

accent

#0ADB3A

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160D

muted

#84857F

Preview Lab

Preview with #C9EB57

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

Preview Lab → · Contrast checker → · Palette generator →