#63D02B#63D02B

#63D02B is a light, highly saturated yellow-green. Relative luminance 0.479; OKLCH L 76.3% C 0.218 H 137.7°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX#63D02B
RGBrgb(99, 208, 43)
HSLhsl(100, 66%, 49%)
HSVhsv(100, 79%, 82%)
CMYKcmyk(52.4%, 0%, 79.3%, 18.4%)
CIE-LABlab(74.78, -58.08, 66.13)
CIE-LCHlch(74.78, 88.01, 131.29°)
OKLaboklab(76.34% -0.161 0.1465)
OKLCHoklch(76.34% 0.218 137.7)
XYZxyz(28.1366, 47.9367, 10.0551)
Luminance0.4794 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D02B #982BD0
analogous
#B6D02B #63D02B #2BD045
triadic
#63D02B #2B63D0 #D02B63
tetradic
#63D02B #2BB6D0 #982BD0 #D0452B
square
#63D02B #2BB6D0 #982BD0 #D0452B
split-complementary
#63D02B #452BD0 #D02BB6
monochromatic
#336B16 #4B9D21 #63D02B #87DD5B #ACE88E

Accessibility & contrast

On white

1.98
#63D02B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.59
#63D02B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D02B
10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D02B#FFFFFF#000000##000000
##63D02B1.001.9810.5910.59
#FFFFFF1.981.0021.0021.00
#00000010.5921.001.001.00
##00000010.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7BE00
Deuteranopia (green-blind)
#C9B53F
Tritanopia (blue-blind)
#5BC9B2
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #63d02b;
/* rgb */ color: rgb(99, 208, 43);
/* oklch */ color: oklch(76.3% 0.218 137.7);
Tailwind
colors: {
  custom: {
    50: '#9adf72',
    500: '#63d02b',
    950: '#000000',
  },
}
SCSS
$custom: #63d02b;
$custom-light: #9adf72;
$custom-dark: #000000;
JSON
{
  "hex": "#63d02b",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 43
  },
  "hsl": {
    "h": 99.636,
    "s": 65.737,
    "l": 49.216
  },
  "oklch": {
    "l": 0.7634,
    "c": 0.21765,
    "h": 137.7
  },
  "luminance": 0.47939
}

Semantic roles & 50–950 ramp

primary
#63D02B
secondary
#B885D2
accent
#3FE9AF
background
#FAFDF7
surface
#F4FBED
border
#CED4C8
text
#0F1509
muted
#7F837B

Preview Lab

Preview with #63D02B

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

Preview Lab → · Contrast checker → · Palette generator →

#63D02B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva