#63B33A#63B33A

#63B33A is a light, vivid yellow-green. Relative luminance 0.352; OKLCH L 69.1% C 0.174 H 136.9°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#63B33A
RGB	rgb(99, 179, 58)
HSL	hsl(100, 51%, 46%)
HSV	hsv(100, 68%, 70%)
CMYK	cmyk(44.7%, 0%, 67.6%, 29.8%)
CIE-LAB	lab(65.90, -45.90, 52.09)
CIE-LCH	lch(65.90, 69.42, 131.39°)
OKLab	oklab(69.07% -0.1272 0.1192)
OKLCH	oklch(69.07% 0.174 136.9)
XYZ	xyz(22.0288, 35.1970, 9.6351)
Luminance	0.3520 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B33A #8A3AB3

analogous

#A0B33A #63B33A #3AB34D

triadic

#63B33A #3A63B3 #B33A63

tetradic

#63B33A #3AA0B3 #8A3AB3 #B34D3A

square

#63B33A #3AA0B3 #8A3AB3 #B34D3A

split-complementary

#63B33A #4D3AB3 #B33AA0

monochromatic

#30571C #49852B #63B33A #84CB5F #A7DA8D

Accessibility & contrast

On white

2.61

#63B33A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#63B33A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B33A

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B33A	#FFFFFF	#000000	##000000
##63B33A	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A429

Deuteranopia (green-blind)

#AE9E45

Tritanopia (blue-blind)

#5FAD9A

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b33a;
/* rgb */ color: rgb(99, 179, 58);
/* oklch */ color: oklch(69.1% 0.174 136.9);

Tailwind

colors: {
  custom: {
    50: '#96ca76',
    500: '#63b33a',
    950: '#000000',
  },
}

SCSS

$custom: #63b33a;
$custom-light: #96ca76;
$custom-dark: #000000;

JSON

{
  "hex": "#63b33a",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 58
  },
  "hsl": {
    "h": 99.669,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.69066,
    "c": 0.17427,
    "h": 136.9
  },
  "luminance": 0.35198
}

Semantic roles & 50–950 ramp

primary

#63B33A

secondary

#AF84C5

accent

#4DDBAB

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B33A

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

Preview Lab → · Contrast checker → · Palette generator →