#63BF2F#63BF2F

#63BF2F is a light, vivid yellow-green. Relative luminance 0.401; OKLCH L 72.0% C 0.196 H 136.8°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#63BF2F
RGB	rgb(99, 191, 47)
HSL	hsl(98, 61%, 47%)
HSV	hsv(98, 75%, 75%)
CMYK	cmyk(48.2%, 0%, 75.4%, 25.1%)
CIE-LAB	lab(69.55, -51.47, 59.90)
CIE-LCH	lch(69.55, 78.97, 130.67°)
OKLab	oklab(72.04% -0.143 0.134)
OKLCH	oklch(72.04% 0.196 136.8)
XYZ	xyz(24.2888, 40.1178, 9.1524)
Luminance	0.4012 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BF2F #8B2FBF

analogous

#ABBF2F #63BF2F #2FBF43

triadic

#63BF2F #2F63BF #BF2F63

tetradic

#63BF2F #2FABBF #8B2FBF #BF432F

square

#63BF2F #2FABBF #8B2FBF #BF432F

split-complementary

#63BF2F #432FBF #BF2FAB

monochromatic

#305D17 #4A8E23 #63BF2F #84D556 #A8E187

Accessibility & contrast

On white

2.33

#63BF2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#63BF2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BF2F

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BF2F	#FFFFFF	#000000	##000000
##63BF2F	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)

#C6AF0E

Deuteranopia (green-blind)

#B9A73E

Tritanopia (blue-blind)

#5EB8A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63bf2f;
/* rgb */ color: rgb(99, 191, 47);
/* oklch */ color: oklch(72.0% 0.196 136.8);

Tailwind

colors: {
  custom: {
    50: '#98d372',
    500: '#63bf2f',
    950: '#000000',
  },
}

SCSS

$custom: #63bf2f;
$custom-light: #98d372;
$custom-dark: #000000;

JSON

{
  "hex": "#63bf2f",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 47
  },
  "hsl": {
    "h": 98.333,
    "s": 60.504,
    "l": 46.667
  },
  "oklch": {
    "l": 0.7204,
    "c": 0.19597,
    "h": 136.8
  },
  "luminance": 0.40119
}

Semantic roles & 50–950 ramp

primary

#63BF2F

secondary

#B07FCB

accent

#44E4AA

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1408

muted

#7E837B

Preview Lab

Preview with #63BF2F

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

Preview Lab → · Contrast checker → · Palette generator →