#B3901B#B3901B

#B3901B is a light, vivid yellow. Relative luminance 0.296; OKLCH L 66.7% C 0.129 H 90.2°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#B3901B
RGB	rgb(179, 144, 27)
HSL	hsl(46, 74%, 40%)
HSV	hsv(46, 85%, 70%)
CMYK	cmyk(0%, 19.6%, 84.9%, 29.8%)
CIE-LAB	lab(61.32, 2.42, 60.57)
CIE-LCH	lch(61.32, 60.62, 87.71°)
OKLab	oklab(66.75% -0.0006 0.1294)
OKLCH	oklch(66.75% 0.129 90.2)
XYZ	xyz(28.7633, 29.6113, 5.2373)
Luminance	0.2961 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3901B #1B3EB3

analogous

#B3441B #B3901B #8AB31B

triadic

#B3901B #1BB390 #901BB3

tetradic

#B3901B #1BB344 #1B3EB3 #B31B8A

square

#B3901B #1BB344 #1B3EB3 #B31B8A

split-complementary

#B3901B #1B8AB3 #441BB3

monochromatic

#493A0B #7E6513 #B3901B #DFB62C #E7C861

Accessibility & contrast

On white

3.03

#B3901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#B3901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3901B

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3901B	#FFFFFF	#000000	##000000
##B3901B	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28E00

Deuteranopia (green-blind)

#AA9824

Tritanopia (blue-blind)

#C3837B

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #b3901b;
/* rgb */ color: rgb(179, 144, 27);
/* oklch */ color: oklch(66.7% 0.129 90.2);

Tailwind

colors: {
  custom: {
    50: '#cfb064',
    500: '#b3901b',
    950: '#000000',
  },
}

SCSS

$custom: #b3901b;
$custom-light: #cfb064;
$custom-dark: #000000;

JSON

{
  "hex": "#b3901b",
  "rgb": {
    "r": 179,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 46.184,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66748,
    "c": 0.12943,
    "h": 90.2
  },
  "luminance": 0.29609
}

Semantic roles & 50–950 ramp

primary

#B3901B

secondary

#5E77CC

accent

#62F037

background

#FDFAF6

surface

#FAF4EB

border

#D3CEC6

text

#151006

muted

#837F7A

Preview Lab

Preview with #B3901B

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

Preview Lab → · Contrast checker → · Palette generator →