#63B828#63B828

#63B828 is a light, vivid yellow-green. Relative luminance 0.371; OKLCH L 70.2% C 0.191 H 135.8°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#63B828
RGB	rgb(99, 184, 40)
HSL	hsl(95, 64%, 44%)
HSV	hsv(95, 78%, 72%)
CMYK	cmyk(46.2%, 0%, 78.3%, 27.8%)
CIE-LAB	lab(67.34, -49.16, 60.03)
CIE-LCH	lch(67.34, 77.58, 129.31°)
OKLab	oklab(70.21% -0.1372 0.1333)
OKLCH	oklch(70.21% 0.191 135.8)
XYZ	xyz(22.6685, 37.0854, 7.9708)
Luminance	0.3709 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B828 #7D28B8

analogous

#ABB828 #63B828 #28B835

triadic

#63B828 #2863B8 #B82863

tetradic

#63B828 #28ABB8 #7D28B8 #B83528

square

#63B828 #28ABB8 #7D28B8 #B83528

split-complementary

#63B828 #3528B8 #B828AB

monochromatic

#2D5312 #48861D #63B828 #82D746 #A4E279

Accessibility & contrast

On white

2.49

#63B828 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#63B828 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B828

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B828	#FFFFFF	#000000	##000000
##63B828	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#B3A138

Tritanopia (blue-blind)

#60B19D

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63b828;
/* rgb */ color: rgb(99, 184, 40);
/* oklch */ color: oklch(70.2% 0.191 135.8);

Tailwind

colors: {
  custom: {
    50: '#97ce6e',
    500: '#63b828',
    950: '#000000',
  },
}

SCSS

$custom: #63b828;
$custom-light: #97ce6e;
$custom-dark: #000000;

JSON

{
  "hex": "#63b828",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 40
  },
  "hsl": {
    "h": 95.417,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.7021,
    "c": 0.19126,
    "h": 135.8
  },
  "luminance": 0.37087
}

Semantic roles & 50–950 ramp

primary

#63B828

secondary

#A672CA

accent

#41E7A3

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #63B828

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

Preview Lab → · Contrast checker → · Palette generator →