#51491F#51491F

#51491F is a dark, moderate yellow. Relative luminance 0.066; OKLCH L 40.3% C 0.061 H 98.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#51491F
RGB	rgb(81, 73, 31)
HSL	hsl(50, 45%, 22%)
HSV	hsv(50, 62%, 32%)
CMYK	cmyk(0%, 9.9%, 61.7%, 68.2%)
CIE-LAB	lab(30.91, -2.86, 25.95)
CIE-LCH	lch(30.91, 26.11, 96.28°)
OKLab	oklab(40.34% -0.0092 0.0605)
OKLCH	oklch(40.34% 0.061 98.7)
XYZ	xyz(6.0234, 6.6136, 2.2553)
Luminance	0.0661 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51491F #1F2751

analogous

#51301F #51491F #40511F

triadic

#51491F #1F5149 #491F51

tetradic

#51491F #1F5130 #1F2751 #511F40

square

#51491F #1F5130 #1F2751 #511F40

split-complementary

#51491F #1F4051 #301F51

monochromatic

#161408 #25210E #51491F #7D7130 #AA9941

Accessibility & contrast

On white

9.04

#51491F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#51491F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51491F

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51491F	#FFFFFF	#000000	##FFFFFF
##51491F	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471B

Deuteranopia (green-blind)

#524A21

Tritanopia (blue-blind)

#574440

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #51491f;
/* rgb */ color: rgb(81, 73, 31);
/* oklch */ color: oklch(40.3% 0.061 98.7);

Tailwind

colors: {
  custom: {
    50: '#837b5c',
    500: '#51491f',
    950: '#000000',
  },
}

SCSS

$custom: #51491f;
$custom-light: #837b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#51491f",
  "rgb": {
    "r": 81,
    "g": 73,
    "b": 31
  },
  "hsl": {
    "h": 50.4,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40343,
    "c": 0.06124,
    "h": 98.7
  },
  "luminance": 0.06613
}

Semantic roles & 50–950 ramp

primary

#51491F

secondary

#465086

accent

#68D453

background

#F8F7F5

surface

#EFEDE9

border

#CAC8C5

text

#0B0904

muted

#7C7B79

Preview Lab

Preview with #51491F

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

Preview Lab → · Contrast checker → · Palette generator →