#63BC2A#63BC2A

#63BC2A is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 71.2% C 0.195 H 136.3°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#63BC2A
RGB	rgb(99, 188, 42)
HSL	hsl(97, 63%, 45%)
HSV	hsv(97, 78%, 74%)
CMYK	cmyk(47.3%, 0%, 77.7%, 26.3%)
CIE-LAB	lab(68.59, -50.61, 60.59)
CIE-LCH	lch(68.59, 78.95, 129.87°)
OKLab	oklab(71.24% -0.1409 0.1348)
OKLCH	oklch(71.24% 0.195 136.3)
XYZ	xyz(23.5461, 38.7847, 8.4355)
Luminance	0.3879 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC2A #832ABC

analogous

#ACBC2A #63BC2A #2ABC3A

triadic

#63BC2A #2A63BC #BC2A63

tetradic

#63BC2A #2AACBC #832ABC #BC3A2A

square

#63BC2A #2AACBC #832ABC #BC3A2A

split-complementary

#63BC2A #3A2ABC #BC2AAC

monochromatic

#2E5814 #498A1F #63BC2A #82D74C #A5E27E

Accessibility & contrast

On white

2.40

#63BC2A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#63BC2A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC2A

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC2A	#FFFFFF	#000000	##000000
##63BC2A	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC00

Deuteranopia (green-blind)

#B7A53A

Tritanopia (blue-blind)

#5FB5A1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bc2a;
/* rgb */ color: rgb(99, 188, 42);
/* oklch */ color: oklch(71.2% 0.195 136.3);

Tailwind

colors: {
  custom: {
    50: '#97d16f',
    500: '#63bc2a',
    950: '#000000',
  },
}

SCSS

$custom: #63bc2a;
$custom-light: #97d16f;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc2a",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 42
  },
  "hsl": {
    "h": 96.575,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.71243,
    "c": 0.19501,
    "h": 136.3
  },
  "luminance": 0.38786
}

Semantic roles & 50–950 ramp

primary

#63BC2A

secondary

#AA77CB

accent

#41E7A6

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #63BC2A

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

Preview Lab → · Contrast checker → · Palette generator →