#63AF37#63AF37

#63AF37 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 68.0% C 0.171 H 136.2°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#63AF37
RGB	rgb(99, 175, 55)
HSL	hsl(98, 52%, 45%)
HSV	hsv(98, 69%, 69%)
CMYK	cmyk(43.4%, 0%, 68.6%, 31.4%)
CIE-LAB	lab(64.63, -44.50, 51.96)
CIE-LCH	lch(64.63, 68.41, 130.58°)
OKLab	oklab(68.02% -0.1236 0.1185)
OKLCH	oklch(68.02% 0.171 136.2)
XYZ	xyz(21.1646, 33.5872, 8.9815)
Luminance	0.3359 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AF37 #8337AF

analogous

#9FAF37 #63AF37 #37AF47

triadic

#63AF37 #3763AF #AF3763

tetradic

#63AF37 #379FAF #8337AF #AF4737

square

#63AF37 #379FAF #8337AF #AF4737

split-complementary

#63AF37 #4737AF #AF379F

monochromatic

#2E521A #498028 #63AF37 #82CB59 #A5D987

Accessibility & contrast

On white

2.72

#63AF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#63AF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AF37

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AF37	#FFFFFF	#000000	##000000
##63AF37	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A126

Deuteranopia (green-blind)

#AB9A42

Tritanopia (blue-blind)

#60A997

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63af37;
/* rgb */ color: rgb(99, 175, 55);
/* oklch */ color: oklch(68.0% 0.171 136.2);

Tailwind

colors: {
  custom: {
    50: '#95c774',
    500: '#63af37',
    950: '#000000',
  },
}

SCSS

$custom: #63af37;
$custom-light: #95c774;
$custom-dark: #000000;

JSON

{
  "hex": "#63af37",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 55
  },
  "hsl": {
    "h": 98,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68019,
    "c": 0.17124,
    "h": 136.2
  },
  "luminance": 0.33588
}

Semantic roles & 50–950 ramp

primary

#63AF37

secondary

#AA7FC3

accent

#4CDCA7

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63AF37

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

Preview Lab → · Contrast checker → · Palette generator →