#A3AC21#A3AC21

#A3AC21 is a light, vivid yellow. Relative luminance 0.374; OKLCH L 71.4% C 0.151 H 113.5°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#A3AC21
RGB	rgb(163, 172, 33)
HSL	hsl(64, 68%, 40%)
HSV	hsv(64, 81%, 67%)
CMYK	cmyk(5.2%, 0%, 80.8%, 32.5%)
CIE-LAB	lab(67.58, -19.32, 63.71)
CIE-LCH	lch(67.58, 66.57, 106.87°)
OKLab	oklab(71.39% -0.0602 0.1382)
OKLCH	oklch(71.39% 0.151 113.5)
XYZ	xyz(30.1323, 37.4020, 7.0706)
Luminance	0.3740 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3AC21 #2A21AC

analogous

#AC7021 #A3AC21 #5DAC21

triadic

#A3AC21 #21A3AC #AC21A3

tetradic

#A3AC21 #21AC70 #2A21AC #AC215D

square

#A3AC21 #21AC70 #2A21AC #AC215D

split-complementary

#A3AC21 #215DAC #7021AC

monochromatic

#42450D #727917 #A3AC21 #CDD832 #DAE266

Accessibility & contrast

On white

2.48

#A3AC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#A3AC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3AC21

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3AC21	#FFFFFF	#000000	##000000
##A3AC21	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#B9A62F

Tritanopia (blue-blind)

#AEA193

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #a3ac21;
/* rgb */ color: rgb(163, 172, 33);
/* oklch */ color: oklch(71.4% 0.151 113.5);

Tailwind

colors: {
  custom: {
    50: '#c2c46a',
    500: '#a3ac21',
    950: '#000000',
  },
}

SCSS

$custom: #a3ac21;
$custom-light: #c2c46a;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ac21",
  "rgb": {
    "r": 163,
    "g": 172,
    "b": 33
  },
  "hsl": {
    "h": 63.885,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.71389,
    "c": 0.15076,
    "h": 113.5
  },
  "luminance": 0.37401
}

Semantic roles & 50–950 ramp

primary

#A3AC21

secondary

#6862C7

accent

#3DEB48

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131207

muted

#82817A

Preview Lab

Preview with #A3AC21

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

Preview Lab → · Contrast checker → · Palette generator →