#63CF38#63CF38

#63CF38 is a light, highly saturated green. Relative luminance 0.476; OKLCH L 76.2% C 0.210 H 138.5°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#63CF38
RGB	rgb(99, 207, 56)
HSL	hsl(103, 61%, 52%)
HSV	hsv(103, 73%, 81%)
CMYK	cmyk(52.2%, 0%, 72.9%, 18.8%)
CIE-LAB	lab(74.55, -56.92, 61.75)
CIE-LCH	lch(74.55, 83.98, 132.67°)
OKLab	oklab(76.17% -0.1571 0.1392)
OKLCH	oklch(76.17% 0.21 138.5)
XYZ	xyz(28.1712, 47.5616, 11.4364)
Luminance	0.4756 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF38 #A438CF

analogous

#AFCF38 #63CF38 #38CF59

triadic

#63CF38 #3863CF #CF3863

tetradic

#63CF38 #38AFCF #A438CF #CF5938

square

#63CF38 #38AFCF #A438CF #CF5938

split-complementary

#63CF38 #5938CF #CF38AF

monochromatic

#34711B #4AA327 #63CF38 #8ADB69 #B0E79B

Accessibility & contrast

On white

2.00

#63CF38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#63CF38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF38

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF38	#FFFFFF	#000000	##000000
##63CF38	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD1B

Deuteranopia (green-blind)

#C7B447

Tritanopia (blue-blind)

#5AC8B2

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63cf38;
/* rgb */ color: rgb(99, 207, 56);
/* oklch */ color: oklch(76.2% 0.210 138.5);

Tailwind

colors: {
  custom: {
    50: '#99de78',
    500: '#63cf38',
    950: '#000000',
  },
}

SCSS

$custom: #63cf38;
$custom-light: #99de78;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf38",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 56
  },
  "hsl": {
    "h": 102.914,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.76167,
    "c": 0.20988,
    "h": 138.5
  },
  "luminance": 0.47564
}

Semantic roles & 50–950 ramp

primary

#63CF38

secondary

#C090D3

accent

#44E4B6

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #63CF38

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

Preview Lab → · Contrast checker → · Palette generator →