#63BC39#63BC39

#63BC39 is a light, vivid green. Relative luminance 0.389; OKLCH L 71.4% C 0.186 H 137.4°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#63BC39
RGB	rgb(99, 188, 57)
HSL	hsl(101, 53%, 48%)
HSV	hsv(101, 70%, 74%)
CMYK	cmyk(47.3%, 0%, 69.7%, 26.3%)
CIE-LAB	lab(68.69, -49.59, 55.41)
CIE-LCH	lch(68.69, 74.36, 131.83°)
OKLab	oklab(71.35% -0.1372 0.126)
OKLCH	oklch(71.35% 0.186 137.4)
XYZ	xyz(23.8666, 38.9129, 10.1234)
Luminance	0.3891 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC39 #9239BC

analogous

#A4BC39 #63BC39 #39BC50

triadic

#63BC39 #3963BC #BC3963

tetradic

#63BC39 #39A4BC #9239BC #BC5039

square

#63BC39 #39A4BC #9239BC #BC5039

split-complementary

#63BC39 #5039BC #BC39A4

monochromatic

#325E1D #4A8D2B #63BC39 #86D063 #AADE92

Accessibility & contrast

On white

2.39

#63BC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#63BC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC39

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC39	#FFFFFF	#000000	##000000
##63BC39	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC25

Deuteranopia (green-blind)

#B6A545

Tritanopia (blue-blind)

#5EB5A2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63bc39;
/* rgb */ color: rgb(99, 188, 57);
/* oklch */ color: oklch(71.4% 0.186 137.4);

Tailwind

colors: {
  custom: {
    50: '#97d177',
    500: '#63bc39',
    950: '#000000',
  },
}

SCSS

$custom: #63bc39;
$custom-light: #97d177;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc39",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 57
  },
  "hsl": {
    "h": 100.763,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.7135,
    "c": 0.18633,
    "h": 137.4
  },
  "luminance": 0.38914
}

Semantic roles & 50–950 ramp

primary

#63BC39

secondary

#B488C9

accent

#4BDDAE

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1409

muted

#7E827B

Preview Lab

Preview with #63BC39

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

Preview Lab → · Contrast checker → · Palette generator →