#63AD38#63AD38

#63AD38 is a light, vivid yellow-green. Relative luminance 0.328; OKLCH L 67.5% C 0.168 H 136.1°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#63AD38
RGB	rgb(99, 173, 56)
HSL	hsl(98, 51%, 45%)
HSV	hsv(98, 68%, 68%)
CMYK	cmyk(42.8%, 0%, 67.6%, 32.2%)
CIE-LAB	lab(64.02, -43.59, 50.91)
CIE-LCH	lch(64.02, 67.02, 130.57°)
OKLab	oklab(67.52% -0.121 0.1165)
OKLCH	oklch(67.52% 0.168 136.1)
XYZ	xyz(20.8024, 32.8241, 8.9802)
Luminance	0.3282 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AD38 #8238AD

analogous

#9DAD38 #63AD38 #38AD48

triadic

#63AD38 #3863AD #AD3863

tetradic

#63AD38 #389DAD #8238AD #AD4838

square

#63AD38 #389DAD #8238AD #AD4838

split-complementary

#63AD38 #4838AD #AD389D

monochromatic

#2E511A #497F29 #63AD38 #82C959 #A5D887

Accessibility & contrast

On white

2.78

#63AD38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#63AD38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AD38

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AD38	#FFFFFF	#000000	##000000
##63AD38	1.00	2.78	7.57	7.57
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39F28

Deuteranopia (green-blind)

#A99942

Tritanopia (blue-blind)

#60A795

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #63ad38;
/* rgb */ color: rgb(99, 173, 56);
/* oklch */ color: oklch(67.5% 0.168 136.1);

Tailwind

colors: {
  custom: {
    50: '#95c675',
    500: '#63ad38',
    950: '#000000',
  },
}

SCSS

$custom: #63ad38;
$custom-light: #95c675;
$custom-dark: #000000;

JSON

{
  "hex": "#63ad38",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 56
  },
  "hsl": {
    "h": 97.949,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67517,
    "c": 0.16795,
    "h": 136.1
  },
  "luminance": 0.32825
}

Semantic roles & 50–950 ramp

primary

#63AD38

secondary

#A97FC2

accent

#4DDBA7

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63AD38

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

Preview Lab → · Contrast checker → · Palette generator →