#C5E663#C5E663

#C5E663 is a very light, vivid yellow-green. Relative luminance 0.694; OKLCH L 87.5% C 0.161 H 121.7°. Best body text is #000000 at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#C5E663
RGB	rgb(197, 230, 99)
HSL	hsl(75, 72%, 65%)
HSV	hsv(75, 57%, 90%)
CMYK	cmyk(14.3%, 0%, 57%, 9.8%)
CIE-LAB	lab(86.68, -29.58, 59.03)
CIE-LCH	lch(86.68, 66.03, 116.61°)
OKLab	oklab(87.5% -0.0847 0.1373)
OKLCH	oklch(87.5% 0.161 121.7)
XYZ	xyz(53.5754, 69.3648, 22.3682)
Luminance	0.6936 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E663 #8463E6

analogous

#E6C663 #C5E663 #83E663

triadic

#C5E663 #63C5E6 #E663C5

tetradic

#C5E663 #63E6C6 #8463E6 #E66383

square

#C5E663 #63E6C6 #8463E6 #E66383

split-complementary

#C5E663 #6383E6 #C663E6

monochromatic

#8CB21D #B1DE2E #C5E663 #D9EE98 #ECF7CC

Accessibility & contrast

On white

1.41

#C5E663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.87

#C5E663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E663

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E663	#FFFFFF	#000000	##000000
##C5E663	1.00	1.41	14.87	14.87
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.87	21.00	1.00	1.00
##000000	14.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DA55

Deuteranopia (green-blind)

#EED96B

Tritanopia (blue-blind)

#CEDBCA

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #c5e663;
/* rgb */ color: rgb(197, 230, 99);
/* oklch */ color: oklch(87.5% 0.161 121.7);

Tailwind

colors: {
  custom: {
    50: '#d9ee94',
    500: '#c5e663',
    950: '#000000',
  },
}

SCSS

$custom: #c5e663;
$custom-light: #d9ee94;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e663",
  "rgb": {
    "r": 197,
    "g": 230,
    "b": 99
  },
  "hsl": {
    "h": 75.115,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.87502,
    "c": 0.16129,
    "h": 121.7
  },
  "luminance": 0.69365
}

Semantic roles & 50–950 ramp

primary

#C5E663

secondary

#593BB3

accent

#11D442

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160D

muted

#84857F

Preview Lab

Preview with #C5E663

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

Preview Lab → · Contrast checker → · Palette generator →