#63C11D#63C11D

#63C11D is a light, highly saturated yellow-green. Relative luminance 0.409; OKLCH L 72.5% C 0.206 H 136.0°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#63C11D
RGB	rgb(99, 193, 29)
HSL	hsl(94, 74%, 44%)
HSV	hsv(94, 85%, 76%)
CMYK	cmyk(48.7%, 0%, 85%, 24.3%)
CIE-LAB	lab(70.09, -53.15, 65.49)
CIE-LCH	lch(70.09, 84.35, 129.06°)
OKLab	oklab(72.46% -0.1484 0.1432)
OKLCH	oklch(72.46% 0.206 136)
XYZ	xyz(24.4367, 40.8796, 7.7651)
Luminance	0.4088 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C11D #7B1DC1

analogous

#B5C11D #63C11D #1DC129

triadic

#63C11D #1D63C1 #C11D63

tetradic

#63C11D #1DB5C1 #7B1DC1 #C1291D

square

#63C11D #1DB5C1 #7B1DC1 #C1291D

split-complementary

#63C11D #291DC1 #C11DB5

monochromatic

#2C570D #488C15 #63C11D #81E13A #A3E96F

Accessibility & contrast

On white

2.29

#63C11D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#63C11D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C11D

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C11D	#FFFFFF	#000000	##000000
##63C11D	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B000

Deuteranopia (green-blind)

#BCA833

Tritanopia (blue-blind)

#5FBAA4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63c11d;
/* rgb */ color: rgb(99, 193, 29);
/* oklch */ color: oklch(72.5% 0.206 136.0);

Tailwind

colors: {
  custom: {
    50: '#99d46b',
    500: '#63c11d',
    950: '#000000',
  },
}

SCSS

$custom: #63c11d;
$custom-light: #99d46b;
$custom-dark: #000000;

JSON

{
  "hex": "#63c11d",
  "rgb": {
    "r": 99,
    "g": 193,
    "b": 29
  },
  "hsl": {
    "h": 94.39,
    "s": 73.874,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72456,
    "c": 0.20628,
    "h": 136
  },
  "luminance": 0.40881
}

Semantic roles & 50–950 ramp

primary

#63C11D

secondary

#A46AD0

accent

#37F1A1

background

#FAFDF6

surface

#F3FAEC

border

#CDD3C7

text

#0F1408

muted

#7F837A

Preview Lab

Preview with #63C11D

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

Preview Lab → · Contrast checker → · Palette generator →