#63D55B#63D55B

#63D55B is a light, vivid green. Relative luminance 0.510; OKLCH L 78.0% C 0.193 H 142.3°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#63D55B
RGB	rgb(99, 213, 91)
HSL	hsl(116, 59%, 60%)
HSV	hsv(116, 57%, 84%)
CMYK	cmyk(53.5%, 0%, 57.3%, 16.5%)
CIE-LAB	lab(76.68, -55.93, 49.79)
CIE-LCH	lch(76.68, 74.88, 138.33°)
OKLab	oklab(78.01% -0.1524 0.1177)
OKLCH	oklch(78.01% 0.193 142.3)
XYZ	xyz(30.8266, 50.9939, 18.1139)
Luminance	0.5100 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D55B #CD5BD5

analogous

#A0D55B #63D55B #5BD590

triadic

#63D55B #5B63D5 #D55B63

tetradic

#63D55B #5BA0D5 #CD5BD5 #D5905B

square

#63D55B #5BA0D5 #CD5BD5 #D5905B

split-complementary

#63D55B #905BD5 #D55BA0

monochromatic

#2C9125 #3BC132 #63D55B #91E18C #C0EEBC

Accessibility & contrast

On white

1.88

#63D55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#63D55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D55B

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D55B	#FFFFFF	#000000	##000000
##63D55B	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC34F

Deuteranopia (green-blind)

#CBB964

Tritanopia (blue-blind)

#53CFBA

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63d55b;
/* rgb */ color: rgb(99, 213, 91);
/* oklch */ color: oklch(78.0% 0.193 142.3);

Tailwind

colors: {
  custom: {
    50: '#99e38d',
    500: '#63d55b',
    950: '#000000',
  },
}

SCSS

$custom: #63d55b;
$custom-light: #99e38d;
$custom-dark: #000000;

JSON

{
  "hex": "#63d55b",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 91
  },
  "hsl": {
    "h": 116.066,
    "s": 59.223,
    "l": 59.608
  },
  "oklch": {
    "l": 0.78012,
    "c": 0.19252,
    "h": 142.3
  },
  "luminance": 0.50996
}

Semantic roles & 50–950 ramp

primary

#63D55B

secondary

#903E96

accent

#45E2D8

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F150C

muted

#80847F

Preview Lab

Preview with #63D55B

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

Preview Lab → · Contrast checker → · Palette generator →