#63BC23#63BC23

#63BC23 is a light, vivid yellow-green. Relative luminance 0.387; OKLCH L 71.2% C 0.198 H 135.9°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#63BC23
RGB	rgb(99, 188, 35)
HSL	hsl(95, 69%, 44%)
HSV	hsv(95, 81%, 74%)
CMYK	cmyk(47.3%, 0%, 81.4%, 26.3%)
CIE-LAB	lab(68.56, -50.98, 62.62)
CIE-LCH	lch(68.56, 80.74, 129.15°)
OKLab	oklab(71.21% -0.1423 0.138)
OKLCH	oklch(71.21% 0.198 135.9)
XYZ	xyz(23.4316, 38.7389, 7.8324)
Luminance	0.3874 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC23 #7C23BC

analogous

#AFBC23 #63BC23 #23BC2F

triadic

#63BC23 #2363BC #BC2363

tetradic

#63BC23 #23AFBC #7C23BC #BC2F23

square

#63BC23 #23AFBC #7C23BC #BC2F23

split-complementary

#63BC23 #2F23BC #BC23AF

monochromatic

#2D5510 #488819 #63BC23 #81DC41 #A3E574

Accessibility & contrast

On white

2.40

#63BC23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#63BC23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC23

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC23	#FFFFFF	#000000	##000000
##63BC23	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC00

Deuteranopia (green-blind)

#B7A536

Tritanopia (blue-blind)

#5FB5A0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bc23;
/* rgb */ color: rgb(99, 188, 35);
/* oklch */ color: oklch(71.2% 0.198 135.9);

Tailwind

colors: {
  custom: {
    50: '#98d16c',
    500: '#63bc23',
    950: '#000000',
  },
}

SCSS

$custom: #63bc23;
$custom-light: #98d16c;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc23",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 35
  },
  "hsl": {
    "h": 94.902,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.71205,
    "c": 0.19825,
    "h": 135.9
  },
  "luminance": 0.3874
}

Semantic roles & 50–950 ramp

primary

#63BC23

secondary

#A56FCC

accent

#3CEBA2

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0F1408

muted

#7E827A

Preview Lab

Preview with #63BC23

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

Preview Lab → · Contrast checker → · Palette generator →