#63B628#63B628

#63B628 is a light, vivid yellow-green. Relative luminance 0.363; OKLCH L 69.7% C 0.189 H 135.6°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#63B628
RGB	rgb(99, 182, 40)
HSL	hsl(95, 64%, 44%)
HSV	hsv(95, 78%, 71%)
CMYK	cmyk(45.6%, 0%, 78%, 28.6%)
CIE-LAB	lab(66.72, -48.36, 59.44)
CIE-LCH	lch(66.72, 76.63, 129.14°)
OKLab	oklab(69.7% -0.135 0.1321)
OKLCH	oklch(69.7% 0.189 135.6)
XYZ	xyz(22.2560, 36.2604, 7.8333)
Luminance	0.3626 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B628 #7B28B6

analogous

#AAB628 #63B628 #28B634

triadic

#63B628 #2863B6 #B62863

tetradic

#63B628 #28AAB6 #7B28B6 #B63428

square

#63B628 #28AAB6 #7B28B6 #B63428

split-complementary

#63B628 #3428B6 #B628AA

monochromatic

#2C5212 #48841D #63B628 #81D645 #A3E177

Accessibility & contrast

On white

2.54

#63B628 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#63B628 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B628

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B628	#FFFFFF	#000000	##000000
##63B628	1.00	2.54	8.25	8.25
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA700

Deuteranopia (green-blind)

#B2A038

Tritanopia (blue-blind)

#60AF9C

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63b628;
/* rgb */ color: rgb(99, 182, 40);
/* oklch */ color: oklch(69.7% 0.189 135.6);

Tailwind

colors: {
  custom: {
    50: '#97cc6d',
    500: '#63b628',
    950: '#000000',
  },
}

SCSS

$custom: #63b628;
$custom-light: #97cc6d;
$custom-dark: #000000;

JSON

{
  "hex": "#63b628",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 40
  },
  "hsl": {
    "h": 95.07,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69698,
    "c": 0.18887,
    "h": 135.6
  },
  "luminance": 0.36262
}

Semantic roles & 50–950 ramp

primary

#63B628

secondary

#A471C9

accent

#41E7A2

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B628

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

Preview Lab → · Contrast checker → · Palette generator →