#63B72C#63B72C

#63B72C is a light, vivid yellow-green. Relative luminance 0.367; OKLCH L 70.0% C 0.188 H 136.0°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#63B72C
RGB	rgb(99, 183, 44)
HSL	hsl(96, 61%, 45%)
HSV	hsv(96, 76%, 72%)
CMYK	cmyk(45.9%, 0%, 76%, 28.2%)
CIE-LAB	lab(67.05, -48.53, 58.46)
CIE-LCH	lch(67.05, 75.98, 129.69°)
OKLab	oklab(69.98% -0.1352 0.1306)
OKLCH	oklch(69.98% 0.188 136)
XYZ	xyz(22.5331, 36.7001, 8.2789)
Luminance	0.3670 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B72C #802CB7

analogous

#A9B72C #63B72C #2CB73B

triadic

#63B72C #2C63B7 #B72C63

tetradic

#63B72C #2CA9B7 #802CB7 #B73B2C

square

#63B72C #2CA9B7 #802CB7 #B73B2C

split-complementary

#63B72C #3B2CB7 #B72CA9

monochromatic

#2E5414 #488620 #63B72C #82D44C #A4E07E

Accessibility & contrast

On white

2.52

#63B72C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#63B72C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B72C

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B72C	#FFFFFF	#000000	##000000
##63B72C	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA80B

Deuteranopia (green-blind)

#B2A13B

Tritanopia (blue-blind)

#60B09D

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63b72c;
/* rgb */ color: rgb(99, 183, 44);
/* oklch */ color: oklch(70.0% 0.188 136.0);

Tailwind

colors: {
  custom: {
    50: '#97cd6f',
    500: '#63b72c',
    950: '#000000',
  },
}

SCSS

$custom: #63b72c;
$custom-light: #97cd6f;
$custom-dark: #000000;

JSON

{
  "hex": "#63b72c",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 44
  },
  "hsl": {
    "h": 96.259,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.69979,
    "c": 0.188,
    "h": 136
  },
  "luminance": 0.36701
}

Semantic roles & 50–950 ramp

primary

#63B72C

secondary

#A876C8

accent

#43E4A5

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B72C

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

Preview Lab → · Contrast checker → · Palette generator →