#63D423#63D423

#63D423 is a light, highly saturated yellow-green. Relative luminance 0.499; OKLCH L 77.3% C 0.225 H 137.5°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#63D423
RGB	rgb(99, 212, 35)
HSL	hsl(98, 72%, 48%)
HSV	hsv(98, 83%, 83%)
CMYK	cmyk(53.3%, 0%, 83.5%, 16.9%)
CIE-LAB	lab(75.98, -59.90, 69.31)
CIE-LCH	lch(75.98, 91.61, 130.84°)
OKLab	oklab(77.32% -0.1662 0.1521)
OKLCH	oklch(77.32% 0.225 137.5)
XYZ	xyz(28.9915, 49.8587, 9.6857)
Luminance	0.4986 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D423 #9423D4

analogous

#BBD423 #63D423 #23D43B

triadic

#63D423 #2363D4 #D42363

tetradic

#63D423 #23BBD4 #9423D4 #D43B23

square

#63D423 #23BBD4 #9423D4 #D43B23

split-complementary

#63D423 #3B23D4 #D423BB

monochromatic

#326B12 #4A9F1A #63D423 #86E252 #ABEB86

Accessibility & contrast

On white

1.91

#63D423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#63D423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D423

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D423	#FFFFFF	#000000	##000000
##63D423	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC100

Deuteranopia (green-blind)

#CDB83B

Tritanopia (blue-blind)

#5ACCB5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63d423;
/* rgb */ color: rgb(99, 212, 35);
/* oklch */ color: oklch(77.3% 0.225 137.5);

Tailwind

colors: {
  custom: {
    50: '#9be270',
    500: '#63d423',
    950: '#000000',
  },
}

SCSS

$custom: #63d423;
$custom-light: #9be270;
$custom-dark: #000000;

JSON

{
  "hex": "#63d423",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 35
  },
  "hsl": {
    "h": 98.305,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.77317,
    "c": 0.22532,
    "h": 137.5
  },
  "luminance": 0.49861
}

Semantic roles & 50–950 ramp

primary

#63D423

secondary

#B57ED4

accent

#39EEAD

background

#FAFDF7

surface

#F4FBED

border

#CED4C8

text

#0F1508

muted

#7F837B

Preview Lab

Preview with #63D423

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

Preview Lab → · Contrast checker → · Palette generator →