#63BC2D#63BC2D

#63BC2D is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 71.3% C 0.193 H 136.5°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#63BC2D
RGB	rgb(99, 188, 45)
HSL	hsl(97, 61%, 46%)
HSV	hsv(97, 76%, 74%)
CMYK	cmyk(47.3%, 0%, 76.1%, 26.3%)
CIE-LAB	lab(68.61, -50.43, 59.64)
CIE-LCH	lch(68.61, 78.11, 130.22°)
OKLab	oklab(71.26% -0.1403 0.1332)
OKLCH	oklch(71.26% 0.193 136.5)
XYZ	xyz(23.6018, 38.8070, 8.7290)
Luminance	0.3881 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC2D #862DBC

analogous

#AABC2D #63BC2D #2DBC3F

triadic

#63BC2D #2D63BC #BC2D63

tetradic

#63BC2D #2DAABC #862DBC #BC3F2D

square

#63BC2D #2DAABC #862DBC #BC3F2D

split-complementary

#63BC2D #3F2DBC #BC2DAA

monochromatic

#2F5915 #498B21 #63BC2D #83D551 #A6E182

Accessibility & contrast

On white

2.40

#63BC2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#63BC2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC2D

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC2D	#FFFFFF	#000000	##000000
##63BC2D	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC0A

Deuteranopia (green-blind)

#B7A53C

Tritanopia (blue-blind)

#5FB5A1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bc2d;
/* rgb */ color: rgb(99, 188, 45);
/* oklch */ color: oklch(71.3% 0.193 136.5);

Tailwind

colors: {
  custom: {
    50: '#97d171',
    500: '#63bc2d',
    950: '#000000',
  },
}

SCSS

$custom: #63bc2d;
$custom-light: #97d171;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc2d",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 45
  },
  "hsl": {
    "h": 97.343,
    "s": 61.373,
    "l": 45.686
  },
  "oklch": {
    "l": 0.71262,
    "c": 0.19347,
    "h": 136.5
  },
  "luminance": 0.38809
}

Semantic roles & 50–950 ramp

primary

#63BC2D

secondary

#AC7BCA

accent

#43E4A8

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #63BC2D

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

Preview Lab → · Contrast checker → · Palette generator →