#C0EF59#C0EF59

#C0EF59 is a very light, vivid yellow-green. Relative luminance 0.737; OKLCH L 89.1% C 0.183 H 124.8°. Best body text is #000000 at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#C0EF59
RGB	rgb(192, 239, 89)
HSL	hsl(79, 82%, 64%)
HSV	hsv(79, 63%, 94%)
CMYK	cmyk(19.7%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(88.76, -36.40, 65.44)
CIE-LCH	lch(88.76, 74.88, 119.09°)
OKLab	oklab(89.07% -0.1043 0.1498)
OKLCH	oklch(89.07% 0.183 124.8)
XYZ	xyz(54.4082, 73.6602, 20.8007)
Luminance	0.7366 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EF59 #8859EF

analogous

#EFD359 #C0EF59 #75EF59

triadic

#C0EF59 #59C0EF #EF59C0

tetradic

#C0EF59 #59EFD3 #8859EF #EF5975

square

#C0EF59 #59EFD3 #8859EF #EF5975

split-complementary

#C0EF59 #5975EF #D359EF

monochromatic

#86BC12 #ABEA21 #C0EF59 #D5F491 #EAFAC9

Accessibility & contrast

On white

1.33

#C0EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.73

#C0EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF59

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EF59	#FFFFFF	#000000	##000000
##C0EF59	1.00	1.33	15.73	15.73
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.73	21.00	1.00	1.00
##000000	15.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE046

Deuteranopia (green-blind)

#F5DE64

Tritanopia (blue-blind)

#C8E4D0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c0ef59;
/* rgb */ color: rgb(192, 239, 89);
/* oklch */ color: oklch(89.1% 0.183 124.8);

Tailwind

colors: {
  custom: {
    50: '#d6f48e',
    500: '#c0ef59',
    950: '#000000',
  },
}

SCSS

$custom: #c0ef59;
$custom-light: #d6f48e;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ef59",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 78.8,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.89066,
    "c": 0.18253,
    "h": 124.8
  },
  "luminance": 0.73661
}

Semantic roles & 50–950 ramp

primary

#C0EF59

secondary

#5D32BA

accent

#07DF4A

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C0EF59

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

Preview Lab → · Contrast checker → · Palette generator →