#63B43A#63B43A

#63B43A is a light, vivid yellow-green. Relative luminance 0.356; OKLCH L 69.3% C 0.176 H 136.9°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#63B43A
RGB	rgb(99, 180, 58)
HSL	hsl(100, 51%, 47%)
HSV	hsv(100, 68%, 71%)
CMYK	cmyk(45%, 0%, 67.8%, 29.4%)
CIE-LAB	lab(66.21, -46.30, 52.42)
CIE-LCH	lch(66.21, 69.94, 131.46°)
OKLab	oklab(69.32% -0.1283 0.1199)
OKLCH	oklch(69.32% 0.176 136.9)
XYZ	xyz(22.2299, 35.5993, 9.7022)
Luminance	0.3560 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B43A #8B3AB4

analogous

#A0B43A #63B43A #3AB44E

triadic

#63B43A #3A63B4 #B43A63

tetradic

#63B43A #3AA0B4 #8B3AB4 #B44E3A

square

#63B43A #3AA0B4 #8B3AB4 #B44E3A

split-complementary

#63B43A #4E3AB4 #B43AA0

monochromatic

#30571C #4A862B #63B43A #84CC60 #A8DB8E

Accessibility & contrast

On white

2.59

#63B43A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#63B43A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B43A

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B43A	#FFFFFF	#000000	##000000
##63B43A	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA529

Deuteranopia (green-blind)

#AF9E45

Tritanopia (blue-blind)

#5FAE9B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b43a;
/* rgb */ color: rgb(99, 180, 58);
/* oklch */ color: oklch(69.3% 0.176 136.9);

Tailwind

colors: {
  custom: {
    50: '#96cb76',
    500: '#63b43a',
    950: '#000000',
  },
}

SCSS

$custom: #63b43a;
$custom-light: #96cb76;
$custom-dark: #000000;

JSON

{
  "hex": "#63b43a",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 58
  },
  "hsl": {
    "h": 99.836,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.6932,
    "c": 0.17555,
    "h": 136.9
  },
  "luminance": 0.35601
}

Semantic roles & 50–950 ramp

primary

#63B43A

secondary

#B085C5

accent

#4DDBAB

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B43A

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

Preview Lab → · Contrast checker → · Palette generator →