#A3B01F#A3B01F

#A3B01F is a light, vivid yellow. Relative luminance 0.389; OKLCH L 72.3% C 0.156 H 115.1°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#A3B01F
RGB	rgb(163, 176, 31)
HSL	hsl(65, 70%, 41%)
HSV	hsv(65, 82%, 69%)
CMYK	cmyk(7.4%, 0%, 82.4%, 31%)
CIE-LAB	lab(68.71, -21.39, 65.22)
CIE-LCH	lch(68.71, 68.64, 108.16°)
OKLab	oklab(72.29% -0.0661 0.1411)
OKLCH	oklch(72.29% 0.156 115.1)
XYZ	xyz(30.8779, 38.9367, 7.1850)
Luminance	0.3894 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3B01F #2C1FB0

analogous

#B0741F #A3B01F #5BB01F

triadic

#A3B01F #1FA3B0 #B01FA3

tetradic

#A3B01F #1FB074 #2C1FB0 #B01F5B

square

#A3B01F #1FB074 #2C1FB0 #B01F5B

split-complementary

#A3B01F #1F5BB0 #741FB0

monochromatic

#43480D #737C16 #A3B01F #CCDB31 #D9E465

Accessibility & contrast

On white

2.39

#A3B01F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#A3B01F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3B01F

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3B01F	#FFFFFF	#000000	##000000
##A3B01F	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA700

Deuteranopia (green-blind)

#BCA92E

Tritanopia (blue-blind)

#AEA596

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #a3b01f;
/* rgb */ color: rgb(163, 176, 31);
/* oklch */ color: oklch(72.3% 0.156 115.1);

Tailwind

colors: {
  custom: {
    50: '#c2c76a',
    500: '#a3b01f',
    950: '#000000',
  },
}

SCSS

$custom: #a3b01f;
$custom-light: #c2c76a;
$custom-dark: #000000;

JSON

{
  "hex": "#a3b01f",
  "rgb": {
    "r": 163,
    "g": 176,
    "b": 31
  },
  "hsl": {
    "h": 65.379,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.72291,
    "c": 0.15582,
    "h": 115.1
  },
  "luminance": 0.38936
}

Semantic roles & 50–950 ramp

primary

#A3B01F

secondary

#6B62C9

accent

#3BED4B

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A3B01F

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

Preview Lab → · Contrast checker → · Palette generator →