#C9E558#C9E558

#C9E558 is a very light, vivid yellow-green. Relative luminance 0.692; OKLCH L 87.5% C 0.168 H 119.5°. Best body text is #000000 at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#C9E558
RGB	rgb(201, 229, 88)
HSL	hsl(72, 73%, 62%)
HSV	hsv(72, 62%, 90%)
CMYK	cmyk(12.2%, 0%, 61.6%, 10.2%)
CIE-LAB	lab(86.58, -28.39, 63.67)
CIE-LCH	lch(86.58, 69.71, 114.03°)
OKLab	oklab(87.46% -0.0826 0.1458)
OKLCH	oklch(87.46% 0.168 119.5)
XYZ	xyz(53.8690, 69.1610, 19.7422)
Luminance	0.6916 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E558 #7458E5

analogous

#E5BB58 #C9E558 #83E558

triadic

#C9E558 #58C9E5 #E558C9

tetradic

#C9E558 #58E5BB #7458E5 #E55883

square

#C9E558 #58E5BB #7458E5 #E55883

split-complementary

#C9E558 #5883E5 #BB58E5

monochromatic

#8CA81A #B8DD23 #C9E558 #DAED8D #EBF5C2

Accessibility & contrast

On white

1.42

#C9E558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.83

#C9E558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E558

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E558	#FFFFFF	#000000	##000000
##C9E558	1.00	1.42	14.83	14.83
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.83	21.00	1.00	1.00
##000000	14.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D947

Deuteranopia (green-blind)

#EFD962

Tritanopia (blue-blind)

#D4DAC7

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #c9e558;
/* rgb */ color: rgb(201, 229, 88);
/* oklch */ color: oklch(87.5% 0.168 119.5);

Tailwind

colors: {
  custom: {
    50: '#dced8d',
    500: '#c9e558',
    950: '#000000',
  },
}

SCSS

$custom: #c9e558;
$custom-light: #dced8d;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e558",
  "rgb": {
    "r": 201,
    "g": 229,
    "b": 88
  },
  "hsl": {
    "h": 71.915,
    "s": 73.057,
    "l": 62.157
  },
  "oklch": {
    "l": 0.87458,
    "c": 0.16758,
    "h": 119.5
  },
  "luminance": 0.69161
}

Semantic roles & 50–950 ramp

primary

#C9E558

secondary

#4E37AA

accent

#10D537

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160D

muted

#84847F

Preview Lab

Preview with #C9E558

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

Preview Lab → · Contrast checker → · Palette generator →