#63BF2D#63BF2D

#63BF2D is a light, vivid yellow-green. Relative luminance 0.401; OKLCH L 72.0% C 0.197 H 136.7°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#63BF2D
RGB	rgb(99, 191, 45)
HSL	hsl(98, 62%, 46%)
HSV	hsv(98, 76%, 75%)
CMYK	cmyk(48.2%, 0%, 76.4%, 25.1%)
CIE-LAB	lab(69.54, -51.60, 60.54)
CIE-LCH	lch(69.54, 79.55, 130.44°)
OKLab	oklab(72.03% -0.1434 0.1351)
OKLCH	oklch(72.03% 0.197 136.7)
XYZ	xyz(24.2493, 40.1021, 8.9448)
Luminance	0.4010 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BF2D #892DBF

analogous

#ACBF2D #63BF2D #2DBF40

triadic

#63BF2D #2D63BF #BF2D63

tetradic

#63BF2D #2DACBF #892DBF #BF402D

square

#63BF2D #2DACBF #892DBF #BF402D

split-complementary

#63BF2D #402DBF #BF2DAC

monochromatic

#305C16 #498D21 #63BF2D #83D653 #A7E284

Accessibility & contrast

On white

2.33

#63BF2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#63BF2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BF2D

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BF2D	#FFFFFF	#000000	##000000
##63BF2D	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)

#C6AF07

Deuteranopia (green-blind)

#BAA73D

Tritanopia (blue-blind)

#5EB8A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63bf2d;
/* rgb */ color: rgb(99, 191, 45);
/* oklch */ color: oklch(72.0% 0.197 136.7);

Tailwind

colors: {
  custom: {
    50: '#98d371',
    500: '#63bf2d',
    950: '#000000',
  },
}

SCSS

$custom: #63bf2d;
$custom-light: #98d371;
$custom-dark: #000000;

JSON

{
  "hex": "#63bf2d",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 45
  },
  "hsl": {
    "h": 97.808,
    "s": 61.864,
    "l": 46.275
  },
  "oklch": {
    "l": 0.72027,
    "c": 0.19704,
    "h": 136.7
  },
  "luminance": 0.40104
}

Semantic roles & 50–950 ramp

primary

#63BF2D

secondary

#AE7CCB

accent

#43E5A9

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1408

muted

#7E837B

Preview Lab

Preview with #63BF2D

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

Preview Lab → · Contrast checker → · Palette generator →