#51491C#51491C

#51491C is a dark, moderate yellow. Relative luminance 0.066; OKLCH L 40.3% C 0.064 H 99.3°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#51491C
RGB	rgb(81, 73, 28)
HSL	hsl(51, 49%, 21%)
HSV	hsv(51, 65%, 32%)
CMYK	cmyk(0%, 9.9%, 65.4%, 68.2%)
CIE-LAB	lab(30.87, -3.12, 27.55)
CIE-LCH	lch(30.87, 27.73, 96.46°)
OKLab	oklab(40.3% -0.0104 0.0636)
OKLCH	oklch(40.3% 0.064 99.3)
XYZ	xyz(5.9857, 6.5985, 2.0567)
Luminance	0.0660 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51491C #1C2451

analogous

#512F1C #51491C #3F511C

triadic

#51491C #1C5149 #491C51

tetradic

#51491C #1C512F #1C2451 #511C3F

square

#51491C #1C512F #1C2451 #511C3F

split-complementary

#51491C #1C3F51 #2F1C51

monochromatic

#171408 #24200C #51491C #7E722C #AC9B3B

Accessibility & contrast

On white

9.05

#51491C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#51491C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51491C

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51491C	#FFFFFF	#000000	##FFFFFF
##51491C	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504717

Deuteranopia (green-blind)

#524A1E

Tritanopia (blue-blind)

#57443F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #51491c;
/* rgb */ color: rgb(81, 73, 28);
/* oklch */ color: oklch(40.3% 0.064 99.3);

Tailwind

colors: {
  custom: {
    50: '#847b5a',
    500: '#51491c',
    950: '#000000',
  },
}

SCSS

$custom: #51491c;
$custom-light: #847b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#51491c",
  "rgb": {
    "r": 81,
    "g": 73,
    "b": 28
  },
  "hsl": {
    "h": 50.943,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.40303,
    "c": 0.0644,
    "h": 99.3
  },
  "luminance": 0.06598
}

Semantic roles & 50–950 ramp

primary

#51491C

secondary

#424D87

accent

#64D850

background

#F8F7F5

surface

#EFEDE9

border

#CAC8C5

text

#0B0904

muted

#7C7B79

Preview Lab

Preview with #51491C

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

Preview Lab → · Contrast checker → · Palette generator →