#63AD27#63AD27

#63AD27 is a light, vivid yellow-green. Relative luminance 0.327; OKLCH L 67.4% C 0.178 H 134.7°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#63AD27
RGB	rgb(99, 173, 39)
HSL	hsl(93, 63%, 42%)
HSV	hsv(93, 77%, 68%)
CMYK	cmyk(42.8%, 0%, 77.5%, 32.2%)
CIE-LAB	lab(63.91, -44.79, 57.08)
CIE-LCH	lch(63.91, 72.55, 128.12°)
OKLab	oklab(67.39% -0.1255 0.127)
OKLCH	oklch(67.39% 0.179 134.7)
XYZ	xyz(20.4549, 32.6851, 7.1501)
Luminance	0.3269 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AD27 #7127AD

analogous

#A6AD27 #63AD27 #27AD2E

triadic

#63AD27 #2763AD #AD2763

tetradic

#63AD27 #27A6AD #7127AD #AD2E27

square

#63AD27 #27A6AD #7127AD #AD2E27

split-complementary

#63AD27 #2E27AD #AD27A6

monochromatic

#2A4910 #467B1C #63AD27 #81D33E #A1DF70

Accessibility & contrast

On white

2.79

#63AD27 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#63AD27 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AD27

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AD27	#FFFFFF	#000000	##000000
##63AD27	1.00	2.79	7.54	7.54
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F02

Deuteranopia (green-blind)

#AA9935

Tritanopia (blue-blind)

#62A694

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #63ad27;
/* rgb */ color: rgb(99, 173, 39);
/* oklch */ color: oklch(67.4% 0.178 134.7);

Tailwind

colors: {
  custom: {
    50: '#96c66c',
    500: '#63ad27',
    950: '#000000',
  },
}

SCSS

$custom: #63ad27;
$custom-light: #96c66c;
$custom-dark: #000000;

JSON

{
  "hex": "#63ad27",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 39
  },
  "hsl": {
    "h": 93.134,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67388,
    "c": 0.1785,
    "h": 134.7
  },
  "luminance": 0.32686
}

Semantic roles & 50–950 ramp

primary

#63AD27

secondary

#9D6AC6

accent

#42E69D

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #63AD27

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

Preview Lab → · Contrast checker → · Palette generator →