#63CC31#63CC31

#63CC31 is a light, highly saturated green. Relative luminance 0.461; OKLCH L 75.4% C 0.210 H 137.8°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#63CC31
RGB	rgb(99, 204, 49)
HSL	hsl(101, 61%, 50%)
HSV	hsv(101, 76%, 80%)
CMYK	cmyk(51.5%, 0%, 76%, 20%)
CIE-LAB	lab(73.58, -56.27, 63.16)
CIE-LCH	lch(73.58, 84.59, 131.70°)
OKLab	oklab(75.36% -0.1558 0.1411)
OKLCH	oklch(75.36% 0.21 137.8)
XYZ	xyz(27.2919, 46.0581, 10.3571)
Luminance	0.4606 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CC31 #9A31CC

analogous

#B1CC31 #63CC31 #31CC4C

triadic

#63CC31 #3163CC #CC3163

tetradic

#63CC31 #31B1CC #9A31CC #CC4C31

square

#63CC31 #31B1CC #9A31CC #CC4C31

split-complementary

#63CC31 #4C31CC #CC31B1

monochromatic

#336919 #4B9B25 #63CC31 #88D961 #ADE592

Accessibility & contrast

On white

2.06

#63CC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#63CC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CC31

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CC31	#FFFFFF	#000000	##000000
##63CC31	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BA09

Deuteranopia (green-blind)

#C5B242

Tritanopia (blue-blind)

#5BC5AF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63cc31;
/* rgb */ color: rgb(99, 204, 49);
/* oklch */ color: oklch(75.4% 0.210 137.8);

Tailwind

colors: {
  custom: {
    50: '#99dc74',
    500: '#63cc31',
    950: '#000000',
  },
}

SCSS

$custom: #63cc31;
$custom-light: #99dc74;
$custom-dark: #000000;

JSON

{
  "hex": "#63cc31",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 49
  },
  "hsl": {
    "h": 100.645,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.7536,
    "c": 0.2102,
    "h": 137.8
  },
  "luminance": 0.4606
}

Semantic roles & 50–950 ramp

primary

#63CC31

secondary

#B989D0

accent

#43E4B0

background

#FAFDF7

surface

#F3FBED

border

#CDD4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #63CC31

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

Preview Lab → · Contrast checker → · Palette generator →