#C1DE3B#C1DE3B

#C1DE3B is a very light, vivid yellow-green. Relative luminance 0.639; OKLCH L 85.1% C 0.182 H 119.4°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#C1DE3B
RGB	rgb(193, 222, 59)
HSL	hsl(71, 71%, 55%)
HSV	hsv(71, 73%, 87%)
CMYK	cmyk(13.1%, 0%, 73.4%, 12.9%)
CIE-LAB	lab(83.91, -30.00, 71.57)
CIE-LCH	lch(83.91, 77.60, 112.74°)
OKLab	oklab(85.11% -0.0892 0.1583)
OKLCH	oklch(85.11% 0.182 119.4)
XYZ	xyz(48.9040, 63.8961, 13.8937)
Luminance	0.6390 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1DE3B #583BDE

analogous

#DEAA3B #C1DE3B #6FDE3B

triadic

#C1DE3B #3BC1DE #DE3BC1

tetradic

#C1DE3B #3BDEAA #583BDE #DE3B6F

square

#C1DE3B #3BDEAA #583BDE #DE3B6F

split-complementary

#C1DE3B #3B6FDE #AA3BDE

monochromatic

#748817 #A0BC20 #C1DE3B #D2E76F #E2F0A4

Accessibility & contrast

On white

1.52

#C1DE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#C1DE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1DE3B

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1DE3B	#FFFFFF	#000000	##000000
##C1DE3B	1.00	1.52	13.78	13.78
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.78	21.00	1.00	1.00
##000000	13.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD117

Deuteranopia (green-blind)

#E9D249

Tritanopia (blue-blind)

#CCD2BF

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #c1de3b;
/* rgb */ color: rgb(193, 222, 59);
/* oklch */ color: oklch(85.1% 0.182 119.4);

Tailwind

colors: {
  custom: {
    50: '#d7e87c',
    500: '#c1de3b',
    950: '#000000',
  },
}

SCSS

$custom: #c1de3b;
$custom-light: #d7e87c;
$custom-dark: #000000;

JSON

{
  "hex": "#c1de3b",
  "rgb": {
    "r": 193,
    "g": 222,
    "b": 59
  },
  "hsl": {
    "h": 70.675,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.85106,
    "c": 0.18175,
    "h": 119.4
  },
  "luminance": 0.63896
}

Semantic roles & 50–950 ramp

primary

#C1DE3B

secondary

#402F8E

accent

#3AEE5A

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15160A

muted

#84847D

Preview Lab

Preview with #C1DE3B

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

Preview Lab → · Contrast checker → · Palette generator →