#63B72B#63B72B

#63B72B is a light, vivid yellow-green. Relative luminance 0.367; OKLCH L 70.0% C 0.189 H 135.9°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#63B72B
RGB	rgb(99, 183, 43)
HSL	hsl(96, 62%, 44%)
HSV	hsv(96, 77%, 72%)
CMYK	cmyk(45.9%, 0%, 76.5%, 28.2%)
CIE-LAB	lab(67.05, -48.59, 58.79)
CIE-LCH	lch(67.05, 76.27, 129.57°)
OKLab	oklab(69.97% -0.1354 0.1311)
OKLCH	oklch(69.97% 0.189 135.9)
XYZ	xyz(22.5145, 36.6926, 8.1811)
Luminance	0.3669 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B72B #7F2BB7

analogous

#A9B72B #63B72B #2BB739

triadic

#63B72B #2B63B7 #B72B63

tetradic

#63B72B #2BA9B7 #7F2BB7 #B7392B

square

#63B72B #2BA9B7 #7F2BB7 #B7392B

split-complementary

#63B72B #392BB7 #B72BA9

monochromatic

#2D5414 #48851F #63B72B #82D54B #A4E07C

Accessibility & contrast

On white

2.52

#63B72B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#63B72B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B72B

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B72B	#FFFFFF	#000000	##000000
##63B72B	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)

#BEA807

Deuteranopia (green-blind)

#B2A13A

Tritanopia (blue-blind)

#60B09D

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63b72b;
/* rgb */ color: rgb(99, 183, 43);
/* oklch */ color: oklch(70.0% 0.189 135.9);

Tailwind

colors: {
  custom: {
    50: '#97cd6f',
    500: '#63b72b',
    950: '#000000',
  },
}

SCSS

$custom: #63b72b;
$custom-light: #97cd6f;
$custom-dark: #000000;

JSON

{
  "hex": "#63b72b",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 43
  },
  "hsl": {
    "h": 96,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.69972,
    "c": 0.18853,
    "h": 135.9
  },
  "luminance": 0.36694
}

Semantic roles & 50–950 ramp

primary

#63B72B

secondary

#A775C9

accent

#43E5A4

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B72B

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

Preview Lab → · Contrast checker → · Palette generator →