#8B731F#8B731F

#8B731F is a mid, moderate yellow. Relative luminance 0.178; OKLCH L 56.3% C 0.103 H 92.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#8B731F
RGB	rgb(139, 115, 31)
HSL	hsl(47, 64%, 33%)
HSV	hsv(47, 78%, 55%)
CMYK	cmyk(0%, 17.3%, 77.7%, 45.5%)
CIE-LAB	lab(49.31, 0.33, 47.00)
CIE-LCH	lch(49.31, 47.00, 89.59°)
OKLab	oklab(56.32% -0.004 0.1031)
OKLCH	oklch(56.32% 0.103 92.2)
XYZ	xyz(17.0265, 17.8504, 3.8447)
Luminance	0.1785 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B731F #1F378B

analogous

#8B3D1F #8B731F #6D8B1F

triadic

#8B731F #1F8B73 #731F8B

tetradic

#8B731F #1F8B3D #1F378B #8B1F6D

square

#8B731F #1F8B3D #1F378B #8B1F6D

split-complementary

#8B731F #1F6D8B #3D1F8B

monochromatic

#272009 #594A14 #8B731F #BD9C2A #D7B94D

Accessibility & contrast

On white

4.60

#8B731F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#8B731F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #8B731F

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B731F	#FFFFFF	#000000	##FFFFFF
##8B731F	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807110

Deuteranopia (green-blind)

#867824

Tritanopia (blue-blind)

#976963

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #8b731f;
/* rgb */ color: rgb(139, 115, 31);
/* oklch */ color: oklch(56.3% 0.103 92.2);

Tailwind

colors: {
  custom: {
    50: '#b19a61',
    500: '#8b731f',
    950: '#000000',
  },
}

SCSS

$custom: #8b731f;
$custom-light: #b19a61;
$custom-dark: #000000;

JSON

{
  "hex": "#8b731f",
  "rgb": {
    "r": 139,
    "g": 115,
    "b": 31
  },
  "hsl": {
    "h": 46.667,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.56324,
    "c": 0.10322,
    "h": 92.2
  },
  "luminance": 0.17849
}

Semantic roles & 50–950 ramp

primary

#8B731F

secondary

#4C64BA

accent

#66E741

background

#FBF9F6

surface

#F6F2EB

border

#D0CCC6

text

#110E05

muted

#807E7A

Preview Lab

Preview with #8B731F

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

Preview Lab → · Contrast checker → · Palette generator →