#63BF37#63BF37

#63BF37 is a light, vivid green. Relative luminance 0.402; OKLCH L 72.1% C 0.191 H 137.5°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#63BF37
RGB	rgb(99, 191, 55)
HSL	hsl(101, 55%, 48%)
HSV	hsv(101, 71%, 75%)
CMYK	cmyk(48.2%, 0%, 71.2%, 25.1%)
CIE-LAB	lab(69.60, -50.92, 57.11)
CIE-LCH	lch(69.60, 76.52, 131.72°)
OKLab	oklab(72.1% -0.141 0.1293)
OKLCH	oklch(72.1% 0.191 137.5)
XYZ	xyz(24.4652, 40.1884, 10.0817)
Luminance	0.4019 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BF37 #9337BF

analogous

#A7BF37 #63BF37 #37BF4F

triadic

#63BF37 #3763BF #BF3763

tetradic

#63BF37 #37A7BF #9337BF #BF4F37

square

#63BF37 #37A7BF #9337BF #BF4F37

split-complementary

#63BF37 #4F37BF #BF37A7

monochromatic

#32601C #4A8F29 #63BF37 #86D262 #AADF91

Accessibility & contrast

On white

2.32

#63BF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#63BF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BF37

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BF37	#FFFFFF	#000000	##000000
##63BF37	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF20

Deuteranopia (green-blind)

#B9A744

Tritanopia (blue-blind)

#5DB8A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63bf37;
/* rgb */ color: rgb(99, 191, 55);
/* oklch */ color: oklch(72.1% 0.191 137.5);

Tailwind

colors: {
  custom: {
    50: '#97d376',
    500: '#63bf37',
    950: '#000000',
  },
}

SCSS

$custom: #63bf37;
$custom-light: #97d376;
$custom-dark: #000000;

JSON

{
  "hex": "#63bf37",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 55
  },
  "hsl": {
    "h": 100.588,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.72097,
    "c": 0.19131,
    "h": 137.5
  },
  "luminance": 0.4019
}

Semantic roles & 50–950 ramp

primary

#63BF37

secondary

#B588CA

accent

#49DFAE

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #63BF37

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

Preview Lab → · Contrast checker → · Palette generator →