#63DB2B#63DB2B

#63DB2B is a light, highly saturated green. Relative luminance 0.535; OKLCH L 79.1% C 0.230 H 138.3°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#63DB2B
RGB	rgb(99, 219, 43)
HSL	hsl(101, 71%, 51%)
HSV	hsv(101, 80%, 86%)
CMYK	cmyk(54.8%, 0%, 80.4%, 14.1%)
CIE-LAB	lab(78.16, -62.02, 69.26)
CIE-LCH	lch(78.16, 92.97, 131.85°)
OKLab	oklab(79.13% -0.1715 0.1531)
OKLCH	oklch(79.13% 0.23 138.3)
XYZ	xyz(30.9120, 53.4876, 10.9802)
Luminance	0.5349 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DB2B #A32BDB

analogous

#BBDB2B #63DB2B #2BDB4B

triadic

#63DB2B #2B63DB #DB2B63

tetradic

#63DB2B #2BBBDB #A32BDB #DB4B2B

square

#63DB2B #2BBBDB #A32BDB #DB4B2B

split-complementary

#63DB2B #4B2BDB #DB2BBB

monochromatic

#347714 #4AAC1D #63DB2B #89E45F #B0ED94

Accessibility & contrast

On white

1.80

#63DB2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#63DB2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DB2B

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DB2B	#FFFFFF	#000000	##000000
##63DB2B	1.00	1.80	11.70	11.70
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C700

Deuteranopia (green-blind)

#D3BE41

Tritanopia (blue-blind)

#58D3BB

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63db2b;
/* rgb */ color: rgb(99, 219, 43);
/* oklch */ color: oklch(79.1% 0.230 138.3);

Tailwind

colors: {
  custom: {
    50: '#9ce774',
    500: '#63db2b',
    950: '#000000',
  },
}

SCSS

$custom: #63db2b;
$custom-light: #9ce774;
$custom-dark: #000000;

JSON

{
  "hex": "#63db2b",
  "rgb": {
    "r": 99,
    "g": 219,
    "b": 43
  },
  "hsl": {
    "h": 100.909,
    "s": 70.968,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79126,
    "c": 0.2299,
    "h": 138.3
  },
  "luminance": 0.5349
}

Semantic roles & 50–950 ramp

primary

#63DB2B

secondary

#642B7F

accent

#3AEEB5

background

#FCFEFB

surface

#F6FDF1

border

#D0D5CB

text

#0F1609

muted

#80847D

Preview Lab

Preview with #63DB2B

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

Preview Lab → · Contrast checker → · Palette generator →