#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
RGB	rgb(99, 201, 30)
HSL	hsl(96, 74%, 45%)
HSV	hsv(96, 85%, 79%)
CMYK	cmyk(50.7%, 0%, 85.1%, 21.2%)
CIE-LAB	lab(72.57, -56.10, 67.45)
CIE-LCH	lch(72.57, 87.73, 129.75°)
OKLab	oklab(74.5% -0.1563 0.1475)
OKLCH	oklch(74.5% 0.215 136.7)
XYZ	xyz(26.2658, 44.5178, 8.4368)
Luminance	0.4452 (WCAG relative)
Temperature	warm
Family	yellow-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
##63C91E	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

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 →