#C9F563#C9F563

#C9F563 is a very light, vivid yellow-green. Relative luminance 0.786; OKLCH L 91.1% C 0.178 H 124.1°. Best body text is #000000 at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#C9F563
RGB	rgb(201, 245, 99)
HSL	hsl(78, 88%, 67%)
HSV	hsv(78, 60%, 96%)
CMYK	cmyk(18%, 0%, 59.6%, 3.9%)
CIE-LAB	lab(91.06, -34.98, 64.00)
CIE-LCH	lch(91.06, 72.93, 118.66°)
OKLab	oklab(91.1% -0.0999 0.1478)
OKLCH	oklch(91.1% 0.178 124.1)
XYZ	xyz(58.9923, 78.6228, 23.8698)
Luminance	0.7862 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F563 #8F63F5

analogous

#F5D863 #C9F563 #80F563

triadic

#C9F563 #63C9F5 #F563C9

tetradic

#C9F563 #63F5D8 #8F63F5 #F56380

square

#C9F563 #63F5D8 #8F63F5 #F56380

split-complementary

#C9F563 #6380F5 #D863F5

monochromatic

#96D00D #B5F129 #C9F563 #DDF99D #F1FCD6

Accessibility & contrast

On white

1.26

#C9F563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.72

#C9F563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F563

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F563	#FFFFFF	#000000	##000000
##C9F563	1.00	1.26	16.72	16.72
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.72	21.00	1.00	1.00
##000000	16.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE752

Deuteranopia (green-blind)

#FCE56D

Tritanopia (blue-blind)

#D1EAD6

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #c9f563;
/* rgb */ color: rgb(201, 245, 99);
/* oklch */ color: oklch(91.1% 0.178 124.1);

Tailwind

colors: {
  custom: {
    50: '#dcf895',
    500: '#c9f563',
    950: '#000000',
  },
}

SCSS

$custom: #c9f563;
$custom-light: #dcf895;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f563",
  "rgb": {
    "r": 201,
    "g": 245,
    "b": 99
  },
  "hsl": {
    "h": 78.082,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.91095,
    "c": 0.17843,
    "h": 124.1
  },
  "luminance": 0.78623
}

Semantic roles & 50–950 ramp

primary

#C9F563

secondary

#5F30CC

accent

#01E546

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C9F563

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

Preview Lab → · Contrast checker → · Palette generator →