#C9F356#C9F356

#C9F356 is a very light, vivid yellow-green. Relative luminance 0.772; OKLCH L 90.5% C 0.186 H 123.0°. Best body text is #000000 at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#C9F356
RGB	rgb(201, 243, 86)
HSL	hsl(76, 87%, 65%)
HSV	hsv(76, 65%, 95%)
CMYK	cmyk(17.3%, 0%, 64.6%, 4.7%)
CIE-LAB	lab(90.41, -35.01, 68.55)
CIE-LCH	lch(90.41, 76.97, 117.05°)
OKLab	oklab(90.53% -0.1012 0.1558)
OKLCH	oklch(90.53% 0.186 123)
XYZ	xyz(57.8183, 77.1903, 20.6555)
Luminance	0.7719 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F356 #8056F3

analogous

#F3CF56 #C9F356 #7BF356

triadic

#C9F356 #56C9F3 #F356C9

tetradic

#C9F356 #56F3CF #8056F3 #F3567B

square

#C9F356 #56F3CF #8056F3 #F3567B

split-complementary

#C9F356 #567BF3 #CF56F3

monochromatic

#91C10E #B7EF1D #C9F356 #DBF78F #EEFBC8

Accessibility & contrast

On white

1.28

#C9F356 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.44

#C9F356 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F356

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F356	#FFFFFF	#000000	##000000
##C9F356	1.00	1.28	16.44	16.44
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.44	21.00	1.00	1.00
##000000	16.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE541

Deuteranopia (green-blind)

#FBE362

Tritanopia (blue-blind)

#D2E7D3

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #c9f356;
/* rgb */ color: rgb(201, 243, 86);
/* oklch */ color: oklch(90.5% 0.186 123.0);

Tailwind

colors: {
  custom: {
    50: '#ddf78d',
    500: '#c9f356',
    950: '#000000',
  },
}

SCSS

$custom: #c9f356;
$custom-light: #ddf78d;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f356",
  "rgb": {
    "r": 201,
    "g": 243,
    "b": 86
  },
  "hsl": {
    "h": 76.051,
    "s": 86.74,
    "l": 64.51
  },
  "oklch": {
    "l": 0.90534,
    "c": 0.18578,
    "h": 123
  },
  "luminance": 0.77191
}

Semantic roles & 50–950 ramp

primary

#C9F356

secondary

#552FBF

accent

#02E33E

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F356

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

Preview Lab → · Contrast checker → · Palette generator →