#63BF3B#63BF3B

#63BF3B is a light, vivid green. Relative luminance 0.402; OKLCH L 72.1% C 0.189 H 137.8°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#63BF3B
RGB	rgb(99, 191, 59)
HSL	hsl(102, 53%, 49%)
HSV	hsv(102, 69%, 75%)
CMYK	cmyk(48.2%, 0%, 69.1%, 25.1%)
CIE-LAB	lab(69.63, -50.61, 55.62)
CIE-LCH	lch(69.63, 75.20, 132.30°)
OKLab	oklab(72.13% -0.1399 0.1267)
OKLCH	oklch(72.13% 0.189 137.8)
XYZ	xyz(24.5650, 40.2283, 10.6072)
Luminance	0.4023 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BF3B #973BBF

analogous

#A5BF3B #63BF3B #3BBF55

triadic

#63BF3B #3B63BF #BF3B63

tetradic

#63BF3B #3BA5BF #973BBF #BF553B

square

#63BF3B #3BA5BF #973BBF #BF553B

split-complementary

#63BF3B #553BBF #BF3BA5

monochromatic

#33611E #4B902D #63BF3B #87D067 #ACDF96

Accessibility & contrast

On white

2.32

#63BF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#63BF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BF3B

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BF3B	#FFFFFF	#000000	##000000
##63BF3B	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF27

Deuteranopia (green-blind)

#B9A747

Tritanopia (blue-blind)

#5DB8A5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63bf3b;
/* rgb */ color: rgb(99, 191, 59);
/* oklch */ color: oklch(72.1% 0.189 137.8);

Tailwind

colors: {
  custom: {
    50: '#97d378',
    500: '#63bf3b',
    950: '#000000',
  },
}

SCSS

$custom: #63bf3b;
$custom-light: #97d378;
$custom-dark: #000000;

JSON

{
  "hex": "#63bf3b",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 59
  },
  "hsl": {
    "h": 101.818,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.7213,
    "c": 0.18874,
    "h": 137.8
  },
  "luminance": 0.4023
}

Semantic roles & 50–950 ramp

primary

#63BF3B

secondary

#B78CCA

accent

#4CDCB0

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #63BF3B

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

Preview Lab → · Contrast checker → · Palette generator →