#C0EF5B#C0EF5B

#C0EF5B is a very light, vivid yellow-green. Relative luminance 0.737; OKLCH L 89.1% C 0.181 H 124.9°. Best body text is #000000 at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#C0EF5B
RGB	rgb(192, 239, 91)
HSL	hsl(79, 82%, 65%)
HSV	hsv(79, 62%, 94%)
CMYK	cmyk(19.7%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(88.78, -36.26, 64.64)
CIE-LCH	lch(88.78, 74.12, 119.29°)
OKLab	oklab(89.09% -0.1037 0.1484)
OKLCH	oklch(89.09% 0.181 124.9)
XYZ	xyz(54.4933, 73.6943, 21.2490)
Luminance	0.7369 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EF5B #8A5BEF

analogous

#EFD45B #C0EF5B #76EF5B

triadic

#C0EF5B #5BC0EF #EF5BC0

tetradic

#C0EF5B #5BEFD4 #8A5BEF #EF5B76

square

#C0EF5B #5BEFD4 #8A5BEF #EF5B76

split-complementary

#C0EF5B #5B76EF #D45BEF

monochromatic

#87BD12 #ABEA23 #C0EF5B #D5F493 #EBFACB

Accessibility & contrast

On white

1.33

#C0EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.74

#C0EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF5B

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EF5B	#FFFFFF	#000000	##000000
##C0EF5B	1.00	1.33	15.74	15.74
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.74	21.00	1.00	1.00
##000000	15.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE149

Deuteranopia (green-blind)

#F5DE66

Tritanopia (blue-blind)

#C8E4D0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c0ef5b;
/* rgb */ color: rgb(192, 239, 91);
/* oklch */ color: oklch(89.1% 0.181 124.9);

Tailwind

colors: {
  custom: {
    50: '#d6f48f',
    500: '#c0ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #c0ef5b;
$custom-light: #d6f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ef5b",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 79.054,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.89085,
    "c": 0.18102,
    "h": 124.9
  },
  "luminance": 0.73695
}

Semantic roles & 50–950 ramp

primary

#C0EF5B

secondary

#5E33BC

accent

#07DF4B

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C0EF5B

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

Preview Lab → · Contrast checker → · Palette generator →