#63C631#63C631

#63C631 is a light, highly saturated yellow-green. Relative luminance 0.433; OKLCH L 73.8% C 0.203 H 137.5°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#63C631
RGB	rgb(99, 198, 49)
HSL	hsl(100, 60%, 48%)
HSV	hsv(100, 75%, 78%)
CMYK	cmyk(50%, 0%, 75.3%, 22.4%)
CIE-LAB	lab(71.73, -54.02, 61.36)
CIE-LCH	lch(71.73, 81.75, 131.36°)
OKLab	oklab(73.83% -0.1497 0.1374)
OKLCH	oklch(73.83% 0.203 137.5)
XYZ	xyz(25.8932, 43.2607, 9.8909)
Luminance	0.4326 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C631 #9431C6

analogous

#ADC631 #63C631 #31C649

triadic

#63C631 #3163C6 #C63163

tetradic

#63C631 #31ADC6 #9431C6 #C64931

square

#63C631 #31ADC6 #9431C6 #C64931

split-complementary

#63C631 #4931C6 #C631AD

monochromatic

#326419 #4A9525 #63C631 #86D75D #ABE38E

Accessibility & contrast

On white

2.18

#63C631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.65

#63C631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C631

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C631	#FFFFFF	#000000	##000000
##63C631	1.00	2.18	9.65	9.65
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.65	21.00	1.00	1.00
##000000	9.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB50F

Deuteranopia (green-blind)

#C0AD41

Tritanopia (blue-blind)

#5CBFAA

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63c631;
/* rgb */ color: rgb(99, 198, 49);
/* oklch */ color: oklch(73.8% 0.203 137.5);

Tailwind

colors: {
  custom: {
    50: '#98d874',
    500: '#63c631',
    950: '#000000',
  },
}

SCSS

$custom: #63c631;
$custom-light: #98d874;
$custom-dark: #000000;

JSON

{
  "hex": "#63c631",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 49
  },
  "hsl": {
    "h": 99.866,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.73835,
    "c": 0.20319,
    "h": 137.5
  },
  "luminance": 0.43263
}

Semantic roles & 50–950 ramp

primary

#63C631

secondary

#B585CE

accent

#44E3AE

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #63C631

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

Preview Lab → · Contrast checker → · Palette generator →