#C9F155#C9F155

#C9F155 is a very light, vivid yellow-green. Relative luminance 0.760; OKLCH L 90.1% C 0.184 H 122.5°. Best body text is #000000 at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#C9F155
RGB	rgb(201, 241, 85)
HSL	hsl(75, 85%, 64%)
HSV	hsv(75, 65%, 95%)
CMYK	cmyk(16.6%, 0%, 64.7%, 5.5%)
CIE-LAB	lab(89.85, -34.16, 68.35)
CIE-LCH	lch(89.85, 76.41, 116.56°)
OKLab	oklab(90.08% -0.0989 0.1553)
OKLCH	oklch(90.08% 0.184 122.5)
XYZ	xyz(57.1830, 75.9838, 20.2464)
Luminance	0.7598 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F155 #7D55F1

analogous

#F1CB55 #C9F155 #7BF155

triadic

#C9F155 #55C9F1 #F155C9

tetradic

#C9F155 #55F1CB #7D55F1 #F1557B

square

#C9F155 #55F1CB #7D55F1 #F1557B

split-complementary

#C9F155 #557BF1 #CB55F1

monochromatic

#90BC0F #B7EC1C #C9F155 #DBF68E #EDFAC6

Accessibility & contrast

On white

1.30

#C9F155 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.20

#C9F155 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F155

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F155	#FFFFFF	#000000	##000000
##C9F155	1.00	1.30	16.20	16.20
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.20	21.00	1.00	1.00
##000000	16.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE340

Deuteranopia (green-blind)

#F9E261

Tritanopia (blue-blind)

#D3E5D1

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c9f155;
/* rgb */ color: rgb(201, 241, 85);
/* oklch */ color: oklch(90.1% 0.184 122.5);

Tailwind

colors: {
  custom: {
    50: '#ddf58c',
    500: '#c9f155',
    950: '#000000',
  },
}

SCSS

$custom: #c9f155;
$custom-light: #ddf58c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f155",
  "rgb": {
    "r": 201,
    "g": 241,
    "b": 85
  },
  "hsl": {
    "h": 75.385,
    "s": 84.783,
    "l": 63.922
  },
  "oklch": {
    "l": 0.90082,
    "c": 0.1841,
    "h": 122.5
  },
  "luminance": 0.75984
}

Semantic roles & 50–950 ramp

primary

#C9F155

secondary

#5330BB

accent

#04E13D

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F155

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

Preview Lab → · Contrast checker → · Palette generator →