#A1901A#A1901A

#A1901A is a light, vivid yellow. Relative luminance 0.276; OKLCH L 64.9% C 0.128 H 100.3°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A1901A
RGB	rgb(161, 144, 26)
HSL	hsl(52, 72%, 37%)
HSV	hsv(52, 84%, 63%)
CMYK	cmyk(0%, 10.6%, 83.9%, 36.9%)
CIE-LAB	lab(59.53, -5.78, 58.62)
CIE-LCH	lch(59.53, 58.90, 95.63°)
OKLab	oklab(64.91% -0.023 0.126)
OKLCH	oklch(64.91% 0.128 100.3)
XYZ	xyz(24.8589, 27.5994, 4.9949)
Luminance	0.2760 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1901A #1A2BA1

analogous

#A14C1A #A1901A #6FA11A

triadic

#A1901A #1AA190 #901AA1

tetradic

#A1901A #1AA14C #1A2BA1 #A11A6F

square

#A1901A #1AA14C #1A2BA1 #A11A6F

split-complementary

#A1901A #1A6FA1 #4C1AA1

monochromatic

#383209 #6C6111 #A1901A #D6BF23 #E3D152

Accessibility & contrast

On white

3.22

#A1901A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#A1901A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A1901A

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1901A	#FFFFFF	#000000	##000000
##A1901A	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#A39224

Tritanopia (blue-blind)

#AE857B

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #a1901a;
/* rgb */ color: rgb(161, 144, 26);
/* oklch */ color: oklch(64.9% 0.128 100.3);

Tailwind

colors: {
  custom: {
    50: '#c1b064',
    500: '#a1901a',
    950: '#000000',
  },
}

SCSS

$custom: #a1901a;
$custom-light: #c1b064;
$custom-dark: #000000;

JSON

{
  "hex": "#a1901a",
  "rgb": {
    "r": 161,
    "g": 144,
    "b": 26
  },
  "hsl": {
    "h": 52.444,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.64913,
    "c": 0.12806,
    "h": 100.3
  },
  "luminance": 0.27598
}

Semantic roles & 50–950 ramp

primary

#A1901A

secondary

#5160C6

accent

#50EF39

background

#FCFAF6

surface

#F8F4EB

border

#D1CEC6

text

#131006

muted

#827F7A

Preview Lab

Preview with #A1901A

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

Preview Lab → · Contrast checker → · Palette generator →