#63C529#63C529

#63C529 is a light, highly saturated yellow-green. Relative luminance 0.427; OKLCH L 73.5% C 0.206 H 136.9°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#63C529
RGB	rgb(99, 197, 41)
HSL	hsl(98, 66%, 47%)
HSV	hsv(98, 79%, 77%)
CMYK	cmyk(49.7%, 0%, 79.2%, 22.7%)
CIE-LAB	lab(71.38, -54.11, 63.52)
CIE-LCH	lch(71.38, 83.45, 130.43°)
OKLab	oklab(73.53% -0.1504 0.1408)
OKLCH	oklch(73.53% 0.206 136.9)
XYZ	xyz(25.5113, 42.7434, 9.0034)
Luminance	0.4274 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C529 #8B29C5

analogous

#B1C529 #63C529 #29C53D

triadic

#63C529 #2963C5 #C52963

tetradic

#63C529 #29B1C5 #8B29C5 #C53D29

square

#63C529 #29B1C5 #8B29C5 #C53D29

split-complementary

#63C529 #3D29C5 #C529B1

monochromatic

#306014 #4A921E #63C529 #84DB51 #A8E583

Accessibility & contrast

On white

2.20

#63C529 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#63C529 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C529

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C529	#FFFFFF	#000000	##000000
##63C529	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB400

Deuteranopia (green-blind)

#BFAC3B

Tritanopia (blue-blind)

#5DBEA8

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63c529;
/* rgb */ color: rgb(99, 197, 41);
/* oklch */ color: oklch(73.5% 0.206 136.9);

Tailwind

colors: {
  custom: {
    50: '#99d770',
    500: '#63c529',
    950: '#000000',
  },
}

SCSS

$custom: #63c529;
$custom-light: #99d770;
$custom-dark: #000000;

JSON

{
  "hex": "#63c529",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 41
  },
  "hsl": {
    "h": 97.692,
    "s": 65.546,
    "l": 46.667
  },
  "oklch": {
    "l": 0.73533,
    "c": 0.20601,
    "h": 136.9
  },
  "luminance": 0.42745
}

Semantic roles & 50–950 ramp

primary

#63C529

secondary

#B07CCE

accent

#3FE8AA

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1408

muted

#7F837B

Preview Lab

Preview with #63C529

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

Preview Lab → · Contrast checker → · Palette generator →