#63BF2C#63BF2C

#63BF2C is a light, vivid yellow-green. Relative luminance 0.401; OKLCH L 72.0% C 0.198 H 136.6°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#63BF2C
RGB	rgb(99, 191, 44)
HSL	hsl(98, 63%, 46%)
HSV	hsv(98, 77%, 75%)
CMYK	cmyk(48.2%, 0%, 77%, 25.1%)
CIE-LAB	lab(69.54, -51.66, 60.86)
CIE-LCH	lch(69.54, 79.83, 130.32°)
OKLab	oklab(72.02% -0.1436 0.1356)
OKLCH	oklch(72.02% 0.198 136.6)
XYZ	xyz(24.2303, 40.0945, 8.8446)
Luminance	0.4010 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BF2C #882CBF

analogous

#ACBF2C #63BF2C #2CBF3E

triadic

#63BF2C #2C63BF #BF2C63

tetradic

#63BF2C #2CACBF #882CBF #BF3E2C

square

#63BF2C #2CACBF #882CBF #BF3E2C

split-complementary

#63BF2C #3E2CBF #BF2CAC

monochromatic

#2F5C15 #498D21 #63BF2C #83D751 #A7E283

Accessibility & contrast

On white

2.33

#63BF2C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#63BF2C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BF2C

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BF2C	#FFFFFF	#000000	##000000
##63BF2C	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF03

Deuteranopia (green-blind)

#BAA73C

Tritanopia (blue-blind)

#5EB8A3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63bf2c;
/* rgb */ color: rgb(99, 191, 44);
/* oklch */ color: oklch(72.0% 0.198 136.6);

Tailwind

colors: {
  custom: {
    50: '#98d370',
    500: '#63bf2c',
    950: '#000000',
  },
}

SCSS

$custom: #63bf2c;
$custom-light: #98d370;
$custom-dark: #000000;

JSON

{
  "hex": "#63bf2c",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 44
  },
  "hsl": {
    "h": 97.551,
    "s": 62.553,
    "l": 46.078
  },
  "oklch": {
    "l": 0.72021,
    "c": 0.19756,
    "h": 136.6
  },
  "luminance": 0.40096
}

Semantic roles & 50–950 ramp

primary

#63BF2C

secondary

#AD7BCC

accent

#42E6A8

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1408

muted

#7E837B

Preview Lab

Preview with #63BF2C

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

Preview Lab → · Contrast checker → · Palette generator →