#63B23A#63B23A

#63B23A is a light, vivid yellow-green. Relative luminance 0.348; OKLCH L 68.8% C 0.173 H 136.8°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#63B23A
RGB	rgb(99, 178, 58)
HSL	hsl(100, 51%, 46%)
HSV	hsv(100, 67%, 70%)
CMYK	cmyk(44.4%, 0%, 67.4%, 30.2%)
CIE-LAB	lab(65.59, -45.49, 51.76)
CIE-LCH	lch(65.59, 68.90, 131.31°)
OKLab	oklab(68.81% -0.126 0.1185)
OKLCH	oklch(68.81% 0.173 136.8)
XYZ	xyz(21.8291, 34.7976, 9.5685)
Luminance	0.3480 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B23A #893AB2

analogous

#9FB23A #63B23A #3AB24D

triadic

#63B23A #3A63B2 #B23A63

tetradic

#63B23A #3A9FB2 #893AB2 #B24D3A

square

#63B23A #3A9FB2 #893AB2 #B24D3A

split-complementary

#63B23A #4D3AB2 #B23A9F

monochromatic

#30561C #49842B #63B23A #83CB5F #A7DA8D

Accessibility & contrast

On white

2.64

#63B23A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#63B23A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B23A

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B23A	#FFFFFF	#000000	##000000
##63B23A	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A329

Deuteranopia (green-blind)

#AD9D44

Tritanopia (blue-blind)

#5FAC9A

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63b23a;
/* rgb */ color: rgb(99, 178, 58);
/* oklch */ color: oklch(68.8% 0.173 136.8);

Tailwind

colors: {
  custom: {
    50: '#96c976',
    500: '#63b23a',
    950: '#000000',
  },
}

SCSS

$custom: #63b23a;
$custom-light: #96c976;
$custom-dark: #000000;

JSON

{
  "hex": "#63b23a",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 58
  },
  "hsl": {
    "h": 99.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.68811,
    "c": 0.17299,
    "h": 136.8
  },
  "luminance": 0.34799
}

Semantic roles & 50–950 ramp

primary

#63B23A

secondary

#AE83C4

accent

#4DDAAA

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B23A

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

Preview Lab → · Contrast checker → · Palette generator →