#C4E643#C4E643

#C4E643 is a very light, vivid yellow-green. Relative luminance 0.687; OKLCH L 87.2% C 0.185 H 120.7°. Best body text is #000000 at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#C4E643
RGB	rgb(196, 230, 67)
HSL	hsl(73, 77%, 58%)
HSV	hsv(73, 71%, 90%)
CMYK	cmyk(14.8%, 0%, 70.9%, 9.8%)
CIE-LAB	lab(86.37, -32.12, 71.33)
CIE-LCH	lch(86.37, 78.23, 114.24°)
OKLab	oklab(87.16% -0.0946 0.159)
OKLCH	oklch(87.16% 0.185 120.7)
XYZ	xyz(52.0758, 68.7347, 15.8328)
Luminance	0.6874 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E643 #6543E6

analogous

#E6B643 #C4E643 #72E643

triadic

#C4E643 #43C4E6 #E643C4

tetradic

#C4E643 #43E6B6 #6543E6 #E64372

square

#C4E643 #43E6B6 #6543E6 #E64372

split-complementary

#C4E643 #4372E6 #B643E6

monochromatic

#7E9A14 #AAD01C #C4E643 #D5ED79 #E6F4AF

Accessibility & contrast

On white

1.42

#C4E643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.75

#C4E643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E643

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E643	#FFFFFF	#000000	##000000
##C4E643	1.00	1.42	14.75	14.75
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.75	21.00	1.00	1.00
##000000	14.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4D925

Deuteranopia (green-blind)

#F0D851

Tritanopia (blue-blind)

#CFDAC6

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c4e643;
/* rgb */ color: rgb(196, 230, 67);
/* oklch */ color: oklch(87.2% 0.185 120.7);

Tailwind

colors: {
  custom: {
    50: '#daee81',
    500: '#c4e643',
    950: '#000000',
  },
}

SCSS

$custom: #c4e643;
$custom-light: #daee81;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e643",
  "rgb": {
    "r": 196,
    "g": 230,
    "b": 67
  },
  "hsl": {
    "h": 72.515,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.87155,
    "c": 0.18504,
    "h": 120.7
  },
  "luminance": 0.68735
}

Semantic roles & 50–950 ramp

primary

#C4E643

secondary

#47309E

accent

#35F35C

background

#FEFEFB

surface

#FCFDF2

border

#D5D5CC

text

#15160B

muted

#84847E

Preview Lab

Preview with #C4E643

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

Preview Lab → · Contrast checker → · Palette generator →