#C9F166#C9F166

#C9F166 is a very light, vivid yellow-green. Relative luminance 0.763; OKLCH L 90.2% C 0.171 H 123.3°. Best body text is #000000 at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#C9F166
RGB	rgb(201, 241, 102)
HSL	hsl(77, 83%, 67%)
HSV	hsv(77, 58%, 95%)
CMYK	cmyk(16.6%, 0%, 57.7%, 5.5%)
CIE-LAB	lab(89.99, -32.91, 61.53)
CIE-LCH	lch(89.99, 69.78, 118.14°)
OKLab	oklab(90.24% -0.0939 0.1429)
OKLCH	oklch(90.24% 0.171 123.3)
XYZ	xyz(57.9413, 76.2871, 24.2402)
Luminance	0.7629 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F166 #8E66F1

analogous

#F1D366 #C9F166 #84F166

triadic

#C9F166 #66C9F1 #F166C9

tetradic

#C9F166 #66F1D3 #8E66F1 #F16684

square

#C9F166 #66F1D3 #8E66F1 #F16684

split-complementary

#C9F166 #6684F1 #D366F1

monochromatic

#95CA12 #B5EC2E #C9F166 #DDF69E #F1FBD6

Accessibility & contrast

On white

1.29

#C9F166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.26

#C9F166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F166

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F166	#FFFFFF	#000000	##000000
##C9F166	1.00	1.29	16.26	16.26
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.26	21.00	1.00	1.00
##000000	16.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE357

Deuteranopia (green-blind)

#F8E26F

Tritanopia (blue-blind)

#D2E6D3

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c9f166;
/* rgb */ color: rgb(201, 241, 102);
/* oklch */ color: oklch(90.2% 0.171 123.3);

Tailwind

colors: {
  custom: {
    50: '#dcf596',
    500: '#c9f166',
    950: '#000000',
  },
}

SCSS

$custom: #c9f166;
$custom-light: #dcf596;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f166",
  "rgb": {
    "r": 201,
    "g": 241,
    "b": 102
  },
  "hsl": {
    "h": 77.266,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.90241,
    "c": 0.17099,
    "h": 123.3
  },
  "luminance": 0.76287
}

Semantic roles & 50–950 ramp

primary

#C9F166

secondary

#5F34C7

accent

#06E045

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C9F166

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

Preview Lab → · Contrast checker → · Palette generator →