#C1E643#C1E643

#C1E643 is a very light, vivid yellow-green. Relative luminance 0.683; OKLCH L 86.9% C 0.186 H 121.6°. Best body text is #000000 at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#C1E643
RGB	rgb(193, 230, 67)
HSL	hsl(74, 77%, 58%)
HSV	hsv(74, 71%, 90%)
CMYK	cmyk(16.1%, 0%, 70.9%, 9.8%)
CIE-LAB	lab(86.17, -33.30, 71.07)
CIE-LCH	lch(86.17, 78.49, 115.11°)
OKLab	oklab(86.95% -0.0977 0.1586)
OKLCH	oklch(86.95% 0.186 121.6)
XYZ	xyz(51.3030, 68.3363, 15.7966)
Luminance	0.6834 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1E643 #6843E6

analogous

#E6BA43 #C1E643 #6FE643

triadic

#C1E643 #43C1E6 #E643C1

tetradic

#C1E643 #43E6BA #6843E6 #E6436F

square

#C1E643 #43E6BA #6843E6 #E6436F

split-complementary

#C1E643 #436FE6 #BA43E6

monochromatic

#7C9A14 #A7D01C #C1E643 #D3ED79 #E5F4AF

Accessibility & contrast

On white

1.43

#C1E643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.67

#C1E643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1E643

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1E643	#FFFFFF	#000000	##000000
##C1E643	1.00	1.43	14.67	14.67
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.67	21.00	1.00	1.00
##000000	14.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4D825

Deuteranopia (green-blind)

#EFD851

Tritanopia (blue-blind)

#CBDAC6

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c1e643;
/* rgb */ color: rgb(193, 230, 67);
/* oklch */ color: oklch(86.9% 0.186 121.6);

Tailwind

colors: {
  custom: {
    50: '#d7ee81',
    500: '#c1e643',
    950: '#000000',
  },
}

SCSS

$custom: #c1e643;
$custom-light: #d7ee81;
$custom-dark: #000000;

JSON

{
  "hex": "#c1e643",
  "rgb": {
    "r": 193,
    "g": 230,
    "b": 67
  },
  "hsl": {
    "h": 73.62,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.86945,
    "c": 0.18623,
    "h": 121.6
  },
  "luminance": 0.68336
}

Semantic roles & 50–950 ramp

primary

#C1E643

secondary

#49309E

accent

#35F360

background

#FEFFFB

surface

#FCFEF2

border

#D5D6CC

text

#15160B

muted

#84857E

Preview Lab

Preview with #C1E643

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

Preview Lab → · Contrast checker → · Palette generator →