#63BC34#63BC34

#63BC34 is a light, vivid yellow-green. Relative luminance 0.389; OKLCH L 71.3% C 0.189 H 137.0°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#63BC34
RGB	rgb(99, 188, 52)
HSL	hsl(99, 57%, 47%)
HSV	hsv(99, 72%, 74%)
CMYK	cmyk(47.3%, 0%, 72.3%, 26.3%)
CIE-LAB	lab(68.65, -49.97, 57.25)
CIE-LCH	lch(68.65, 75.99, 131.11°)
OKLab	oklab(71.31% -0.1386 0.1292)
OKLCH	oklch(71.31% 0.189 137)
XYZ	xyz(23.7479, 38.8654, 9.4986)
Luminance	0.3887 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC34 #8D34BC

analogous

#A7BC34 #63BC34 #34BC49

triadic

#63BC34 #3463BC #BC3463

tetradic

#63BC34 #34A7BC #8D34BC #BC4934

square

#63BC34 #34A7BC #8D34BC #BC4934

split-complementary

#63BC34 #4934BC #BC34A7

monochromatic

#315C19 #4A8C27 #63BC34 #84D25B #A8DF8B

Accessibility & contrast

On white

2.39

#63BC34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#63BC34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC34

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC34	#FFFFFF	#000000	##000000
##63BC34	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC1C

Deuteranopia (green-blind)

#B7A541

Tritanopia (blue-blind)

#5EB5A1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bc34;
/* rgb */ color: rgb(99, 188, 52);
/* oklch */ color: oklch(71.3% 0.189 137.0);

Tailwind

colors: {
  custom: {
    50: '#97d174',
    500: '#63bc34',
    950: '#000000',
  },
}

SCSS

$custom: #63bc34;
$custom-light: #97d174;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc34",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 52
  },
  "hsl": {
    "h": 99.265,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.7131,
    "c": 0.18949,
    "h": 137
  },
  "luminance": 0.38867
}

Semantic roles & 50–950 ramp

primary

#63BC34

secondary

#B183C9

accent

#48E0AB

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1409

muted

#7E827B

Preview Lab

Preview with #63BC34

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

Preview Lab → · Contrast checker → · Palette generator →