#63BD23#63BD23

#63BD23 is a light, vivid yellow-green. Relative luminance 0.392; OKLCH L 71.5% C 0.199 H 136.0°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#63BD23
RGB	rgb(99, 189, 35)
HSL	hsl(95, 69%, 44%)
HSV	hsv(95, 81%, 74%)
CMYK	cmyk(47.6%, 0%, 81.5%, 25.9%)
CIE-LAB	lab(68.87, -51.36, 62.90)
CIE-LCH	lch(68.87, 81.21, 129.23°)
OKLab	oklab(71.46% -0.1434 0.1386)
OKLCH	oklch(71.46% 0.199 136)
XYZ	xyz(23.6459, 39.1676, 7.9039)
Luminance	0.3917 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BD23 #7D23BD

analogous

#B0BD23 #63BD23 #23BD30

triadic

#63BD23 #2363BD #BD2363

tetradic

#63BD23 #23B0BD #7D23BD #BD3023

square

#63BD23 #23B0BD #7D23BD #BD3023

split-complementary

#63BD23 #3023BD #BD23B0

monochromatic

#2D5610 #488919 #63BD23 #82DC41 #A4E575

Accessibility & contrast

On white

2.38

#63BD23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#63BD23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BD23

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BD23	#FFFFFF	#000000	##000000
##63BD23	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD00

Deuteranopia (green-blind)

#B8A536

Tritanopia (blue-blind)

#5FB6A1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63bd23;
/* rgb */ color: rgb(99, 189, 35);
/* oklch */ color: oklch(71.5% 0.199 136.0);

Tailwind

colors: {
  custom: {
    50: '#98d16c',
    500: '#63bd23',
    950: '#000000',
  },
}

SCSS

$custom: #63bd23;
$custom-light: #98d16c;
$custom-dark: #000000;

JSON

{
  "hex": "#63bd23",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 35
  },
  "hsl": {
    "h": 95.065,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.71461,
    "c": 0.19941,
    "h": 136
  },
  "luminance": 0.39169
}

Semantic roles & 50–950 ramp

primary

#63BD23

secondary

#A66FCD

accent

#3CECA3

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0F1408

muted

#7E827A

Preview Lab

Preview with #63BD23

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

Preview Lab → · Contrast checker → · Palette generator →