#63AC31#63AC31

#63AC31 is a light, vivid yellow-green. Relative luminance 0.324; OKLCH L 67.2% C 0.171 H 135.3°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#63AC31
RGB	rgb(99, 172, 49)
HSL	hsl(96, 56%, 43%)
HSV	hsv(96, 72%, 67%)
CMYK	cmyk(42.4%, 0%, 71.5%, 32.5%)
CIE-LAB	lab(63.65, -43.72, 53.30)
CIE-LCH	lch(63.65, 68.94, 129.36°)
OKLab	oklab(67.2% -0.1219 0.1205)
OKLCH	oklch(67.2% 0.171 135.3)
XYZ	xyz(20.4520, 32.3783, 8.0771)
Luminance	0.3238 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AC31 #7A31AC

analogous

#A0AC31 #63AC31 #31AC3D

triadic

#63AC31 #3163AC #AC3163

tetradic

#63AC31 #31A0AC #7A31AC #AC3D31

square

#63AC31 #31A0AC #7A31AC #AC3D31

split-complementary

#63AC31 #3D31AC #AC31A0

monochromatic

#2C4D16 #487C23 #63AC31 #81CC4E #A3DA7D

Accessibility & contrast

On white

2.81

#63AC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#63AC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AC31

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AC31	#FFFFFF	#000000	##000000
##63AC31	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29E1D

Deuteranopia (green-blind)

#A8983D

Tritanopia (blue-blind)

#61A594

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #63ac31;
/* rgb */ color: rgb(99, 172, 49);
/* oklch */ color: oklch(67.2% 0.171 135.3);

Tailwind

colors: {
  custom: {
    50: '#95c571',
    500: '#63ac31',
    950: '#000000',
  },
}

SCSS

$custom: #63ac31;
$custom-light: #95c571;
$custom-dark: #000000;

JSON

{
  "hex": "#63ac31",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 49
  },
  "hsl": {
    "h": 95.61,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.67202,
    "c": 0.17142,
    "h": 135.3
  },
  "luminance": 0.32379
}

Semantic roles & 50–950 ramp

primary

#63AC31

secondary

#A476C3

accent

#49DFA2

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63AC31

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

Preview Lab → · Contrast checker → · Palette generator →