#ACC63B#ACC63B

#ACC63B is a light, vivid yellow-green. Relative luminance 0.495; OKLCH L 78.2% C 0.162 H 119.6°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#ACC63B
RGB	rgb(172, 198, 59)
HSL	hsl(71, 55%, 50%)
HSV	hsv(71, 70%, 78%)
CMYK	cmyk(13.1%, 0%, 70.2%, 22.4%)
CIE-LAB	lab(75.75, -27.12, 63.14)
CIE-LCH	lch(75.75, 68.72, 113.25°)
OKLab	oklab(78.16% -0.0801 0.1412)
OKLCH	oklch(78.16% 0.162 119.6)
XYZ	xyz(37.9975, 49.4748, 11.6847)
Luminance	0.4948 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACC63B #553BC6

analogous

#C69A3B #ACC63B #66C63B

triadic

#ACC63B #3BACC6 #C63BAC

tetradic

#ACC63B #3BC69A #553BC6 #C63B66

square

#ACC63B #3BC69A #553BC6 #C63B66

split-complementary

#ACC63B #3B66C6 #9A3BC6

monochromatic

#5A681E #84982C #ACC63B #C0D46A #D4E29A

Accessibility & contrast

On white

1.93

#ACC63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#ACC63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACC63B

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACC63B	#FFFFFF	#000000	##000000
##ACC63B	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB24

Deuteranopia (green-blind)

#D0BB46

Tritanopia (blue-blind)

#B6BBAB

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #acc63b;
/* rgb */ color: rgb(172, 198, 59);
/* oklch */ color: oklch(78.2% 0.162 119.6);

Tailwind

colors: {
  custom: {
    50: '#c8d77a',
    500: '#acc63b',
    950: '#000000',
  },
}

SCSS

$custom: #acc63b;
$custom-light: #c8d77a;
$custom-dark: #000000;

JSON

{
  "hex": "#acc63b",
  "rgb": {
    "r": 172,
    "g": 198,
    "b": 59
  },
  "hsl": {
    "h": 71.223,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.78163,
    "c": 0.16232,
    "h": 119.6
  },
  "luminance": 0.49475
}

Semantic roles & 50–950 ramp

primary

#ACC63B

secondary

#9B8FCD

accent

#4ADE65

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#14140A

muted

#82837C

Preview Lab

Preview with #ACC63B

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

Preview Lab → · Contrast checker → · Palette generator →