#B4901F#B4901F

#B4901F is a light, vivid yellow. Relative luminance 0.297; OKLCH L 66.9% C 0.128 H 89.4°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#B4901F
RGB	rgb(180, 144, 31)
HSL	hsl(46, 71%, 41%)
HSV	hsv(46, 83%, 71%)
CMYK	cmyk(0%, 20%, 82.8%, 29.4%)
CIE-LAB	lab(61.44, 2.99, 59.54)
CIE-LCH	lch(61.44, 59.62, 87.12°)
OKLab	oklab(66.87% 0.0014 0.128)
OKLCH	oklch(66.87% 0.128 89.4)
XYZ	xyz(29.0448, 29.7507, 5.5087)
Luminance	0.2975 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4901F #1F43B4

analogous

#B4451F #B4901F #8EB41F

triadic

#B4901F #1FB490 #901FB4

tetradic

#B4901F #1FB445 #1F43B4 #B41F8E

square

#B4901F #1FB445 #1F43B4 #B41F8E

split-complementary

#B4901F #1F8EB4 #451FB4

monochromatic

#4C3C0D #806616 #B4901F #DCB334 #E5C768

Accessibility & contrast

On white

3.02

#B4901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#B4901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B4901F

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4901F	#FFFFFF	#000000	##000000
##B4901F	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F00

Deuteranopia (green-blind)

#AA9827

Tritanopia (blue-blind)

#C4837B

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #b4901f;
/* rgb */ color: rgb(180, 144, 31);
/* oklch */ color: oklch(66.9% 0.128 89.4);

Tailwind

colors: {
  custom: {
    50: '#cfb066',
    500: '#b4901f',
    950: '#000000',
  },
}

SCSS

$custom: #b4901f;
$custom-light: #cfb066;
$custom-dark: #000000;

JSON

{
  "hex": "#b4901f",
  "rgb": {
    "r": 180,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 45.503,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.66872,
    "c": 0.12799,
    "h": 89.4
  },
  "luminance": 0.29749
}

Semantic roles & 50–950 ramp

primary

#B4901F

secondary

#647DCB

accent

#66ED3A

background

#FDFAF6

surface

#FAF4EB

border

#D3CEC6

text

#151006

muted

#837F7A

Preview Lab

Preview with #B4901F

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

Preview Lab → · Contrast checker → · Palette generator →