#63CB38#63CB38

#63CB38 is a light, highly saturated green. Relative luminance 0.457; OKLCH L 75.2% C 0.205 H 138.3°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#63CB38
RGB	rgb(99, 203, 56)
HSL	hsl(102, 59%, 51%)
HSV	hsv(102, 72%, 80%)
CMYK	cmyk(51.2%, 0%, 72.4%, 20.4%)
CIE-LAB	lab(73.32, -55.43, 60.52)
CIE-LCH	lch(73.32, 82.07, 132.49°)
OKLab	oklab(75.15% -0.1531 0.1366)
OKLCH	oklch(75.15% 0.205 138.3)
XYZ	xyz(27.2144, 45.6480, 11.1175)
Luminance	0.4565 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CB38 #A038CB

analogous

#ACCB38 #63CB38 #38CB56

triadic

#63CB38 #3863CB #CB3863

tetradic

#63CB38 #38ACCB #A038CB #CB5638

square

#63CB38 #38ACCB #A038CB #CB5638

split-complementary

#63CB38 #5638CB #CB38AC

monochromatic

#346C1C #4B9D29 #63CB38 #89D869 #AFE499

Accessibility & contrast

On white

2.07

#63CB38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#63CB38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CB38

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CB38	#FFFFFF	#000000	##000000
##63CB38	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B91D

Deuteranopia (green-blind)

#C4B147

Tritanopia (blue-blind)

#5BC4AE

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63cb38;
/* rgb */ color: rgb(99, 203, 56);
/* oklch */ color: oklch(75.2% 0.205 138.3);

Tailwind

colors: {
  custom: {
    50: '#99dc78',
    500: '#63cb38',
    950: '#000000',
  },
}

SCSS

$custom: #63cb38;
$custom-light: #99dc78;
$custom-dark: #000000;

JSON

{
  "hex": "#63cb38",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 56
  },
  "hsl": {
    "h": 102.449,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.75154,
    "c": 0.20516,
    "h": 138.3
  },
  "luminance": 0.4565
}

Semantic roles & 50–950 ramp

primary

#63CB38

secondary

#BD8FD0

accent

#46E2B4

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #63CB38

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

Preview Lab → · Contrast checker → · Palette generator →