#A0901B#A0901B

#A0901B is a light, vivid yellow. Relative luminance 0.275; OKLCH L 64.8% C 0.128 H 100.8°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A0901B
RGB	rgb(160, 144, 27)
HSL	hsl(53, 71%, 37%)
HSV	hsv(53, 83%, 63%)
CMYK	cmyk(0%, 10%, 83.1%, 37.3%)
CIE-LAB	lab(59.43, -6.21, 58.22)
CIE-LCH	lch(59.43, 58.55, 96.09°)
OKLab	oklab(64.82% -0.024 0.1254)
OKLCH	oklch(64.82% 0.128 100.8)
XYZ	xyz(24.6695, 27.5004, 5.0454)
Luminance	0.2750 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0901B #1B2BA0

analogous

#A04E1B #A0901B #6EA01B

triadic

#A0901B #1BA090 #901BA0

tetradic

#A0901B #1BA04E #1B2BA0 #A01B6E

square

#A0901B #1BA04E #1B2BA0 #A01B6E

split-complementary

#A0901B #1B6EA0 #4E1BA0

monochromatic

#373209 #6C6112 #A0901B #D4BF24 #E2D153

Accessibility & contrast

On white

3.23

#A0901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#A0901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A0901B

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0901B	#FFFFFF	#000000	##000000
##A0901B	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#A39225

Tritanopia (blue-blind)

#AD857B

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #a0901b;
/* rgb */ color: rgb(160, 144, 27);
/* oklch */ color: oklch(64.8% 0.128 100.8);

Tailwind

colors: {
  custom: {
    50: '#c0b064',
    500: '#a0901b',
    950: '#000000',
  },
}

SCSS

$custom: #a0901b;
$custom-light: #c0b064;
$custom-dark: #000000;

JSON

{
  "hex": "#a0901b",
  "rgb": {
    "r": 160,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 52.782,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.6482,
    "c": 0.12766,
    "h": 100.8
  },
  "luminance": 0.27499
}

Semantic roles & 50–950 ramp

primary

#A0901B

secondary

#5260C5

accent

#50EE3A

background

#FCFAF6

surface

#F8F4EB

border

#D1CEC6

text

#131006

muted

#827F7A

Preview Lab

Preview with #A0901B

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

Preview Lab → · Contrast checker → · Palette generator →