#63C431#63C431

#63C431 is a light, highly saturated yellow-green. Relative luminance 0.424; OKLCH L 73.3% C 0.201 H 137.3°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#63C431
RGB	rgb(99, 196, 49)
HSL	hsl(100, 60%, 48%)
HSV	hsv(100, 75%, 77%)
CMYK	cmyk(49.5%, 0%, 75%, 23.1%)
CIE-LAB	lab(71.11, -53.26, 60.75)
CIE-LCH	lch(71.11, 80.79, 131.24°)
OKLab	oklab(73.33% -0.1477 0.1361)
OKLCH	oklch(73.33% 0.201 137.3)
XYZ	xyz(25.4391, 42.3524, 9.7395)
Luminance	0.4235 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C431 #9231C4

analogous

#ACC431 #63C431 #31C449

triadic

#63C431 #3163C4 #C43163

tetradic

#63C431 #31ACC4 #9231C4 #C44931

square

#63C431 #31ACC4 #9231C4 #C44931

split-complementary

#63C431 #4931C4 #C431AC

monochromatic

#326219 #4A9325 #63C431 #86D65C #AAE28D

Accessibility & contrast

On white

2.22

#63C431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.47

#63C431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C431

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C431	#FFFFFF	#000000	##000000
##63C431	1.00	2.22	9.47	9.47
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.47	21.00	1.00	1.00
##000000	9.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB310

Deuteranopia (green-blind)

#BEAB40

Tritanopia (blue-blind)

#5DBDA8

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63c431;
/* rgb */ color: rgb(99, 196, 49);
/* oklch */ color: oklch(73.3% 0.201 137.3);

Tailwind

colors: {
  custom: {
    50: '#98d773',
    500: '#63c431',
    950: '#000000',
  },
}

SCSS

$custom: #63c431;
$custom-light: #98d773;
$custom-dark: #000000;

JSON

{
  "hex": "#63c431",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 49
  },
  "hsl": {
    "h": 99.592,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.73327,
    "c": 0.20082,
    "h": 137.3
  },
  "luminance": 0.42354
}

Semantic roles & 50–950 ramp

primary

#63C431

secondary

#B484CD

accent

#45E3AD

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #63C431

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

Preview Lab → · Contrast checker → · Palette generator →