#C0EF63#C0EF63

#C0EF63 is a very light, vivid yellow-green. Relative luminance 0.738; OKLCH L 89.2% C 0.175 H 125.4°. Best body text is #000000 at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#C0EF63
RGB	rgb(192, 239, 99)
HSL	hsl(80, 81%, 66%)
HSV	hsv(80, 59%, 94%)
CMYK	cmyk(19.7%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(88.85, -35.63, 61.38)
CIE-LCH	lch(88.85, 70.97, 120.14°)
OKLab	oklab(89.16% -0.1012 0.1424)
OKLCH	oklch(89.16% 0.175 125.4)
XYZ	xyz(54.8570, 73.8397, 23.1644)
Luminance	0.7384 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EF63 #9263EF

analogous

#EFD863 #C0EF63 #7AEF63

triadic

#C0EF63 #63C0EF #EF63C0

tetradic

#C0EF63 #63EFD8 #9263EF #EF637A

square

#C0EF63 #63EFD8 #9263EF #EF637A

split-complementary

#C0EF63 #637AEF #D863EF

monochromatic

#89C414 #AAE92B #C0EF63 #D6F59B #EDFAD2

Accessibility & contrast

On white

1.33

#C0EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.77

#C0EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF63

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EF63	#FFFFFF	#000000	##000000
##C0EF63	1.00	1.33	15.77	15.77
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.77	21.00	1.00	1.00
##000000	15.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE154

Deuteranopia (green-blind)

#F4DE6D

Tritanopia (blue-blind)

#C7E5D1

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c0ef63;
/* rgb */ color: rgb(192, 239, 99);
/* oklch */ color: oklch(89.2% 0.175 125.4);

Tailwind

colors: {
  custom: {
    50: '#d6f494',
    500: '#c0ef63',
    950: '#000000',
  },
}

SCSS

$custom: #c0ef63;
$custom-light: #d6f494;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ef63",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 80.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89162,
    "c": 0.1747,
    "h": 125.4
  },
  "luminance": 0.7384
}

Semantic roles & 50–950 ramp

primary

#C0EF63

secondary

#6435C1

accent

#08DE50

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#15170D

muted

#84857F

Preview Lab

Preview with #C0EF63

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

Preview Lab → · Contrast checker → · Palette generator →