#A3B31A#A3B31A

#A3B31A is a light, vivid yellow. Relative luminance 0.401; OKLCH L 73.0% C 0.161 H 116.1°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#A3B31A
RGB	rgb(163, 179, 26)
HSL	hsl(66, 75%, 40%)
HSV	hsv(66, 85%, 70%)
CMYK	cmyk(8.9%, 0%, 85.5%, 29.8%)
CIE-LAB	lab(69.54, -23.02, 67.13)
CIE-LCH	lch(69.54, 70.97, 108.93°)
OKLab	oklab(72.96% -0.0709 0.1444)
OKLCH	oklch(72.96% 0.161 116.1)
XYZ	xyz(31.4117, 40.1018, 7.0628)
Luminance	0.4010 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3B31A #2A1AB3

analogous

#B3771A #A3B31A #56B31A

triadic

#A3B31A #1AA3B3 #B31AA3

tetradic

#A3B31A #1AB377 #2A1AB3 #B31A56

square

#A3B31A #1AB377 #2A1AB3 #B31A56

split-complementary

#A3B31A #1A56B3 #771AB3

monochromatic

#42480A #727E12 #A3B31A #CDE02A #DAE860

Accessibility & contrast

On white

2.33

#A3B31A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#A3B31A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3B31A

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3B31A	#FFFFFF	#000000	##000000
##A3B31A	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#BFAB2C

Tritanopia (blue-blind)

#AEA899

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a3b31a;
/* rgb */ color: rgb(163, 179, 26);
/* oklch */ color: oklch(73.0% 0.161 116.1);

Tailwind

colors: {
  custom: {
    50: '#c2c969',
    500: '#a3b31a',
    950: '#000000',
  },
}

SCSS

$custom: #a3b31a;
$custom-light: #c2c969;
$custom-dark: #000000;

JSON

{
  "hex": "#a3b31a",
  "rgb": {
    "r": 163,
    "g": 179,
    "b": 26
  },
  "hsl": {
    "h": 66.275,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.72958,
    "c": 0.16086,
    "h": 116.1
  },
  "luminance": 0.40101
}

Semantic roles & 50–950 ramp

primary

#A3B31A

secondary

#685DCC

accent

#37F14A

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A3B31A

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

Preview Lab → · Contrast checker → · Palette generator →