#63DA3B#63DA3B

#63DA3B is a light, highly saturated green. Relative luminance 0.531; OKLCH L 79.0% C 0.221 H 139.2°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#63DA3B
RGB	rgb(99, 218, 59)
HSL	hsl(105, 68%, 54%)
HSV	hsv(105, 73%, 85%)
CMYK	cmyk(54.6%, 0%, 72.9%, 14.5%)
CIE-LAB	lab(77.94, -60.72, 64.11)
CIE-LCH	lch(77.94, 88.30, 133.44°)
OKLab	oklab(78.97% -0.1672 0.1445)
OKLCH	oklch(78.97% 0.221 139.2)
XYZ	xyz(31.0052, 53.1087, 12.7540)
Luminance	0.5311 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DA3B #B23BDA

analogous

#B2DA3B #63DA3B #3BDA63

triadic

#63DA3B #3B63DA #DA3B63

tetradic

#63DA3B #3BB2DA #B23BDA #DA633B

square

#63DA3B #3BB2DA #B23BDA #DA633B

split-complementary

#63DA3B #633BDA #DA3BB2

monochromatic

#338219 #47B622 #63DA3B #8CE46E #B5EDA2

Accessibility & contrast

On white

1.81

#63DA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#63DA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DA3B

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DA3B	#FFFFFF	#000000	##000000
##63DA3B	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C71C

Deuteranopia (green-blind)

#D1BD4B

Tritanopia (blue-blind)

#57D3BB

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63da3b;
/* rgb */ color: rgb(99, 218, 59);
/* oklch */ color: oklch(79.0% 0.221 139.2);

Tailwind

colors: {
  custom: {
    50: '#9be67b',
    500: '#63da3b',
    950: '#000000',
  },
}

SCSS

$custom: #63da3b;
$custom-light: #9be67b;
$custom-dark: #000000;

JSON

{
  "hex": "#63da3b",
  "rgb": {
    "r": 99,
    "g": 218,
    "b": 59
  },
  "hsl": {
    "h": 104.906,
    "s": 68.24,
    "l": 54.314
  },
  "oklch": {
    "l": 0.78969,
    "c": 0.22095,
    "h": 139.2
  },
  "luminance": 0.53111
}

Semantic roles & 50–950 ramp

primary

#63DA3B

secondary

#733089

accent

#3DEBBF

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #63DA3B

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

Preview Lab → · Contrast checker → · Palette generator →