#63DD4B#63DD4B

#63DD4B is a light, highly saturated green. Relative luminance 0.549; OKLCH L 79.9% C 0.214 H 140.6°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#63DD4B
RGB	rgb(99, 221, 75)
HSL	hsl(110, 68%, 58%)
HSV	hsv(110, 66%, 87%)
CMYK	cmyk(55.2%, 0%, 66.1%, 13.3%)
CIE-LAB	lab(78.97, -60.53, 59.20)
CIE-LCH	lch(78.97, 84.67, 135.63°)
OKLab	oklab(79.85% -0.1657 0.1362)
OKLCH	oklch(79.85% 0.215 140.6)
XYZ	xyz(32.2706, 54.8708, 15.5458)
Luminance	0.5487 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DD4B #C54BDD

analogous

#ACDD4B #63DD4B #4BDD7C

triadic

#63DD4B #4B63DD #DD4B63

tetradic

#63DD4B #4BACDD #C54BDD #DD7C4B

square

#63DD4B #4BACDD #C54BDD #DD7C4B

split-complementary

#63DD4B #7C4BDD #DD4BAC

monochromatic

#2F921C #40C525 #63DD4B #90E77E #BCF0B2

Accessibility & contrast

On white

1.75

#63DD4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#63DD4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DD4B

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DD4B	#FFFFFF	#000000	##000000
##63DD4B	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA37

Deuteranopia (green-blind)

#D3C058

Tritanopia (blue-blind)

#54D6BF

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #63dd4b;
/* rgb */ color: rgb(99, 221, 75);
/* oklch */ color: oklch(79.9% 0.214 140.6);

Tailwind

colors: {
  custom: {
    50: '#9be884',
    500: '#63dd4b',
    950: '#000000',
  },
}

SCSS

$custom: #63dd4b;
$custom-light: #9be884;
$custom-dark: #000000;

JSON

{
  "hex": "#63dd4b",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 75
  },
  "hsl": {
    "h": 110.137,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.79852,
    "c": 0.2145,
    "h": 140.6
  },
  "luminance": 0.54874
}

Semantic roles & 50–950 ramp

primary

#63DD4B

secondary

#873597

accent

#3DEBCE

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #63DD4B

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

Preview Lab → · Contrast checker → · Palette generator →