#63C91E#63C91E

#63C91E is a light, highly saturated yellow-green. Relative luminance 0.445; OKLCH L 74.5% C 0.215 H 136.7°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX#63C91E
RGBrgb(99, 201, 30)
HSLhsl(96, 74%, 45%)
HSVhsv(96, 85%, 79%)
CMYKcmyk(50.7%, 0%, 85.1%, 21.2%)
CIE-LABlab(72.57, -56.10, 67.45)
CIE-LCHlch(72.57, 87.73, 129.75°)
OKLaboklab(74.5% -0.1563 0.1475)
OKLCHoklch(74.5% 0.215 136.7)
XYZxyz(26.2658, 44.5178, 8.4368)
Luminance0.4452 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C91E #841EC9
analogous
#B9C91E #63C91E #1EC92E
triadic
#63C91E #1E63C9 #C91E63
tetradic
#63C91E #1EB9C9 #841EC9 #C92E1E
square
#63C91E #1EB9C9 #841EC9 #C92E1E
split-complementary
#63C91E #2E1EC9 #C91EB9
monochromatic
#2F5E0E #499416 #63C91E #83E341 #A6EB77

Accessibility & contrast

On white

2.12
#63C91E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.90
#63C91E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C91E
9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C91E#FFFFFF#000000##000000
##63C91E1.002.129.909.90
#FFFFFF2.121.0021.0021.00
#0000009.9021.001.001.00
##0000009.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0B700
Deuteranopia (green-blind)
#C3AF35
Tritanopia (blue-blind)
#5DC1AB
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #63c91e;
/* rgb */ color: rgb(99, 201, 30);
/* oklch */ color: oklch(74.5% 0.215 136.7);
Tailwind
colors: {
  custom: {
    50: '#9ada6c',
    500: '#63c91e',
    950: '#000000',
  },
}
SCSS
$custom: #63c91e;
$custom-light: #9ada6c;
$custom-dark: #000000;
JSON
{
  "hex": "#63c91e",
  "rgb": {
    "r": 99,
    "g": 201,
    "b": 30
  },
  "hsl": {
    "h": 95.789,
    "s": 74.026,
    "l": 45.294
  },
  "oklch": {
    "l": 0.74501,
    "c": 0.21491,
    "h": 136.7
  },
  "luminance": 0.4452
}

Semantic roles & 50–950 ramp

primary
#63C91E
secondary
#AB71D2
accent
#37F1A6
background
#FAFDF7
surface
#F3FBED
border
#CDD4C8
text
#0F1508
muted
#7F837B

Preview Lab

Preview with #63C91E

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

Preview Lab → · Contrast checker → · Palette generator →

#63C91E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva