#63BF34#63BF34

#63BF34 is a light, vivid yellow-green. Relative luminance 0.402; OKLCH L 72.1% C 0.193 H 137.2°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#63BF34
RGB	rgb(99, 191, 52)
HSL	hsl(100, 57%, 48%)
HSV	hsv(100, 73%, 75%)
CMYK	cmyk(48.2%, 0%, 72.8%, 25.1%)
CIE-LAB	lab(69.58, -51.14, 58.19)
CIE-LCH	lch(69.58, 77.47, 131.31°)
OKLab	oklab(72.08% -0.1417 0.1312)
OKLCH	oklch(72.08% 0.193 137.2)
XYZ	xyz(24.3955, 40.1605, 9.7144)
Luminance	0.4016 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BF34 #9034BF

analogous

#A9BF34 #63BF34 #34BF4A

triadic

#63BF34 #3463BF #BF3463

tetradic

#63BF34 #34A9BF #9034BF #BF4A34

square

#63BF34 #34A9BF #9034BF #BF4A34

split-complementary

#63BF34 #4A34BF #BF34A9

monochromatic

#315F1A #4A8F27 #63BF34 #85D35D #A9E08D

Accessibility & contrast

On white

2.32

#63BF34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#63BF34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BF34

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BF34	#FFFFFF	#000000	##000000
##63BF34	1.00	2.32	9.03	9.03
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF1A

Deuteranopia (green-blind)

#B9A742

Tritanopia (blue-blind)

#5DB8A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63bf34;
/* rgb */ color: rgb(99, 191, 52);
/* oklch */ color: oklch(72.1% 0.193 137.2);

Tailwind

colors: {
  custom: {
    50: '#97d374',
    500: '#63bf34',
    950: '#000000',
  },
}

SCSS

$custom: #63bf34;
$custom-light: #97d374;
$custom-dark: #000000;

JSON

{
  "hex": "#63bf34",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 52
  },
  "hsl": {
    "h": 99.712,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.72075,
    "c": 0.19313,
    "h": 137.2
  },
  "luminance": 0.40162
}

Semantic roles & 50–950 ramp

primary

#63BF34

secondary

#B384CA

accent

#47E0AD

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #63BF34

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

Preview Lab → · Contrast checker → · Palette generator →