#63BC37#63BC37

#63BC37 is a light, vivid green. Relative luminance 0.389; OKLCH L 71.3% C 0.188 H 137.3°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#63BC37
RGB	rgb(99, 188, 55)
HSL	hsl(100, 55%, 48%)
HSV	hsv(100, 71%, 74%)
CMYK	cmyk(47.3%, 0%, 70.7%, 26.3%)
CIE-LAB	lab(68.67, -49.75, 56.16)
CIE-LCH	lch(68.67, 75.02, 131.53°)
OKLab	oklab(71.33% -0.1378 0.1273)
OKLCH	oklch(71.33% 0.188 137.3)
XYZ	xyz(23.8177, 38.8933, 9.8658)
Luminance	0.3890 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC37 #9037BC

analogous

#A6BC37 #63BC37 #37BC4D

triadic

#63BC37 #3763BC #BC3763

tetradic

#63BC37 #37A6BC #9037BC #BC4D37

square

#63BC37 #37A6BC #9037BC #BC4D37

split-complementary

#63BC37 #4D37BC #BC37A6

monochromatic

#315D1B #4A8D29 #63BC37 #85D060 #A9DE8F

Accessibility & contrast

On white

2.39

#63BC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#63BC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC37

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC37	#FFFFFF	#000000	##000000
##63BC37	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)

#C2AC21

Deuteranopia (green-blind)

#B6A544

Tritanopia (blue-blind)

#5EB5A2

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bc37;
/* rgb */ color: rgb(99, 188, 55);
/* oklch */ color: oklch(71.3% 0.188 137.3);

Tailwind

colors: {
  custom: {
    50: '#97d176',
    500: '#63bc37',
    950: '#000000',
  },
}

SCSS

$custom: #63bc37;
$custom-light: #97d176;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc37",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 55
  },
  "hsl": {
    "h": 100.15,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.71333,
    "c": 0.18762,
    "h": 137.3
  },
  "luminance": 0.38895
}

Semantic roles & 50–950 ramp

primary

#63BC37

secondary

#B386C9

accent

#4ADEAD

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1409

muted

#7E827B

Preview Lab

Preview with #63BC37

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

Preview Lab → · Contrast checker → · Palette generator →