#C9E357#C9E357

#C9E357 is a very light, vivid yellow-green. Relative luminance 0.680; OKLCH L 87.0% C 0.166 H 118.9°. Best body text is #000000 at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#C9E357
RGB	rgb(201, 227, 87)
HSL	hsl(71, 71%, 62%)
HSV	hsv(71, 62%, 89%)
CMYK	cmyk(11.5%, 0%, 61.7%, 11%)
CIE-LAB	lab(86.03, -27.52, 63.48)
CIE-LCH	lch(86.03, 69.19, 113.43°)
OKLab	oklab(87.01% -0.0803 0.1453)
OKLCH	oklch(87.01% 0.166 118.9)
XYZ	xyz(53.2776, 68.0441, 19.3421)
Luminance	0.6804 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E357 #7157E3

analogous

#E3B757 #C9E357 #83E357

triadic

#C9E357 #57C9E3 #E357C9

tetradic

#C9E357 #57E3B7 #7157E3 #E35783

square

#C9E357 #57E3B7 #7157E3 #E35783

split-complementary

#C9E357 #5783E3 #B757E3

monochromatic

#8BA41B #B7D924 #C9E357 #DAEC8B #EBF4C0

Accessibility & contrast

On white

1.44

#C9E357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.61

#C9E357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E357

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E357	#FFFFFF	#000000	##000000
##C9E357	1.00	1.44	14.61	14.61
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.61	21.00	1.00	1.00
##000000	14.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D746

Deuteranopia (green-blind)

#EED861

Tritanopia (blue-blind)

#D4D8C6

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c9e357;
/* rgb */ color: rgb(201, 227, 87);
/* oklch */ color: oklch(87.0% 0.166 118.9);

Tailwind

colors: {
  custom: {
    50: '#dceb8c',
    500: '#c9e357',
    950: '#000000',
  },
}

SCSS

$custom: #c9e357;
$custom-light: #dceb8c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e357",
  "rgb": {
    "r": 201,
    "g": 227,
    "b": 87
  },
  "hsl": {
    "h": 71.143,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.87009,
    "c": 0.16597,
    "h": 118.9
  },
  "luminance": 0.68044
}

Semantic roles & 50–950 ramp

primary

#C9E357

secondary

#4C38A7

accent

#12D336

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C9E357

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

Preview Lab → · Contrast checker → · Palette generator →