#C5EE51#C5EE51

#C5EE51 is a very light, vivid yellow-green. Relative luminance 0.736; OKLCH L 89.1% C 0.185 H 122.8°. Best body text is #000000 at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#C5EE51
RGB	rgb(197, 238, 81)
HSL	hsl(76, 82%, 63%)
HSV	hsv(76, 66%, 93%)
CMYK	cmyk(17.2%, 0%, 66%, 6.7%)
CIE-LAB	lab(88.74, -34.59, 68.65)
CIE-LCH	lch(88.74, 76.87, 116.74°)
OKLab	oklab(89.11% -0.1002 0.1554)
OKLCH	oklch(89.11% 0.185 122.8)
XYZ	xyz(55.0863, 73.6132, 19.0897)
Luminance	0.7361 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EE51 #7A51EE

analogous

#EEC951 #C5EE51 #76EE51

triadic

#C5EE51 #51C5EE #EE51C5

tetradic

#C5EE51 #51EEC9 #7A51EE #EE5176

square

#C5EE51 #51EEC9 #7A51EE #EE5176

split-complementary

#C5EE51 #5176EE #C951EE

monochromatic

#89B311 #B2E919 #C5EE51 #D8F389 #EAF9C1

Accessibility & contrast

On white

1.34

#C5EE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.72

#C5EE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EE51

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EE51	#FFFFFF	#000000	##000000
##C5EE51	1.00	1.34	15.72	15.72
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.72	21.00	1.00	1.00
##000000	15.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE03B

Deuteranopia (green-blind)

#F6DF5D

Tritanopia (blue-blind)

#CFE2CE

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c5ee51;
/* rgb */ color: rgb(197, 238, 81);
/* oklch */ color: oklch(89.1% 0.185 122.8);

Tailwind

colors: {
  custom: {
    50: '#daf38a',
    500: '#c5ee51',
    950: '#000000',
  },
}

SCSS

$custom: #c5ee51;
$custom-light: #daf38a;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ee51",
  "rgb": {
    "r": 197,
    "g": 238,
    "b": 81
  },
  "hsl": {
    "h": 75.669,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.8911,
    "c": 0.18496,
    "h": 122.8
  },
  "luminance": 0.73613
}

Semantic roles & 50–950 ramp

primary

#C5EE51

secondary

#5230B3

accent

#07DF3F

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C5EE51

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

Preview Lab → · Contrast checker → · Palette generator →