#63B03A#63B03A

#63B03A is a light, vivid yellow-green. Relative luminance 0.340; OKLCH L 68.3% C 0.170 H 136.6°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#63B03A
RGB	rgb(99, 176, 58)
HSL	hsl(99, 50%, 46%)
HSV	hsv(99, 67%, 69%)
CMYK	cmyk(43.8%, 0%, 67%, 31%)
CIE-LAB	lab(64.97, -44.66, 51.09)
CIE-LCH	lch(64.97, 67.86, 131.16°)
OKLab	oklab(68.3% -0.1238 0.1171)
OKLCH	oklch(68.3% 0.17 136.6)
XYZ	xyz(21.4340, 34.0075, 9.4369)
Luminance	0.3401 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B03A #873AB0

analogous

#9EB03A #63B03A #3AB04C

triadic

#63B03A #3A63B0 #B03A63

tetradic

#63B03A #3A9EB0 #873AB0 #B04C3A

square

#63B03A #3A9EB0 #873AB0 #B04C3A

split-complementary

#63B03A #4C3AB0 #B03A9E

monochromatic

#2F541C #49822B #63B03A #83CA5D #A6D98B

Accessibility & contrast

On white

2.69

#63B03A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#63B03A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B03A

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B03A	#FFFFFF	#000000	##000000
##63B03A	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A22A

Deuteranopia (green-blind)

#AB9B44

Tritanopia (blue-blind)

#60AA98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63b03a;
/* rgb */ color: rgb(99, 176, 58);
/* oklch */ color: oklch(68.3% 0.170 136.6);

Tailwind

colors: {
  custom: {
    50: '#95c876',
    500: '#63b03a',
    950: '#000000',
  },
}

SCSS

$custom: #63b03a;
$custom-light: #95c876;
$custom-dark: #000000;

JSON

{
  "hex": "#63b03a",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 58
  },
  "hsl": {
    "h": 99.153,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.68301,
    "c": 0.1704,
    "h": 136.6
  },
  "luminance": 0.34009
}

Semantic roles & 50–950 ramp

primary

#63B03A

secondary

#AD82C3

accent

#4EDAA9

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B03A

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

Preview Lab → · Contrast checker → · Palette generator →