#C5EE63#C5EE63

#C5EE63 is a very light, vivid yellow-green. Relative luminance 0.739; OKLCH L 89.3% C 0.171 H 123.7°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#C5EE63
RGB	rgb(197, 238, 99)
HSL	hsl(78, 80%, 66%)
HSV	hsv(78, 58%, 93%)
CMYK	cmyk(17.2%, 0%, 58.4%, 6.7%)
CIE-LAB	lab(88.88, -33.29, 61.50)
CIE-LCH	lch(88.88, 69.94, 118.42°)
OKLab	oklab(89.27% -0.095 0.1426)
OKLCH	oklch(89.27% 0.171 123.7)
XYZ	xyz(55.8530, 73.9199, 23.1274)
Luminance	0.7392 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EE63 #8C63EE

analogous

#EED163 #C5EE63 #7FEE63

triadic

#C5EE63 #63C5EE #EE63C5

tetradic

#C5EE63 #63EED1 #8C63EE #EE637F

square

#C5EE63 #63EED1 #8C63EE #EE637F

split-complementary

#C5EE63 #637FEE #D163EE

monochromatic

#8FC215 #B0E82C #C5EE63 #DAF49A #EEFAD1

Accessibility & contrast

On white

1.33

#C5EE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#C5EE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EE63

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EE63	#FFFFFF	#000000	##000000
##C5EE63	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE054

Deuteranopia (green-blind)

#F5DF6C

Tritanopia (blue-blind)

#CDE3D0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c5ee63;
/* rgb */ color: rgb(197, 238, 99);
/* oklch */ color: oklch(89.3% 0.171 123.7);

Tailwind

colors: {
  custom: {
    50: '#d9f394',
    500: '#c5ee63',
    950: '#000000',
  },
}

SCSS

$custom: #c5ee63;
$custom-light: #d9f394;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ee63",
  "rgb": {
    "r": 197,
    "g": 238,
    "b": 99
  },
  "hsl": {
    "h": 77.698,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.89274,
    "c": 0.17133,
    "h": 123.7
  },
  "luminance": 0.7392
}

Semantic roles & 50–950 ramp

primary

#C5EE63

secondary

#5E36C0

accent

#09DD47

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5EE63

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

Preview Lab → · Contrast checker → · Palette generator →