#63BB28#63BB28

#63BB28 is a light, vivid yellow-green. Relative luminance 0.383; OKLCH L 71.0% C 0.195 H 136.1°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#63BB28
RGB	rgb(99, 187, 40)
HSL	hsl(96, 65%, 45%)
HSV	hsv(96, 79%, 73%)
CMYK	cmyk(47.1%, 0%, 78.6%, 26.7%)
CIE-LAB	lab(68.27, -50.33, 60.91)
CIE-LCH	lch(68.27, 79.01, 129.57°)
OKLab	oklab(70.98% -0.1403 0.1351)
OKLCH	oklch(70.98% 0.195 136.1)
XYZ	xyz(23.2983, 38.3450, 8.1807)
Luminance	0.3835 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BB28 #8028BB

analogous

#ADBB28 #63BB28 #28BB36

triadic

#63BB28 #2863BB #BB2863

tetradic

#63BB28 #28ADBB #8028BB #BB3628

square

#63BB28 #28ADBB #8028BB #BB3628

split-complementary

#63BB28 #3628BB #BB28AD

monochromatic

#2E5612 #48891D #63BB28 #82D848 #A4E37B

Accessibility & contrast

On white

2.42

#63BB28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.67

#63BB28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BB28

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BB28	#FFFFFF	#000000	##000000
##63BB28	1.00	2.42	8.67	8.67
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.67	21.00	1.00	1.00
##000000	8.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#B6A439

Tritanopia (blue-blind)

#5FB4A0

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63bb28;
/* rgb */ color: rgb(99, 187, 40);
/* oklch */ color: oklch(71.0% 0.195 136.1);

Tailwind

colors: {
  custom: {
    50: '#97d06e',
    500: '#63bb28',
    950: '#000000',
  },
}

SCSS

$custom: #63bb28;
$custom-light: #97d06e;
$custom-dark: #000000;

JSON

{
  "hex": "#63bb28",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 40
  },
  "hsl": {
    "h": 95.918,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.70976,
    "c": 0.19481,
    "h": 136.1
  },
  "luminance": 0.38346
}

Semantic roles & 50–950 ramp

primary

#63BB28

secondary

#A874CB

accent

#40E8A4

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #63BB28

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

Preview Lab → · Contrast checker → · Palette generator →