#66511F#66511F

#66511F is a dark, moderate orange. Relative luminance 0.088; OKLCH L 44.6% C 0.073 H 86.1°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#66511F
RGB	rgb(102, 81, 31)
HSL	hsl(42, 53%, 26%)
HSV	hsv(42, 70%, 40%)
CMYK	cmyk(0%, 20.6%, 69.6%, 60%)
CIE-LAB	lab(35.61, 2.60, 31.85)
CIE-LCH	lch(35.61, 31.95, 85.33°)
OKLab	oklab(44.59% 0.005 0.0725)
OKLCH	oklch(44.59% 0.073 86.1)
XYZ	xyz(8.6697, 8.8091, 2.5397)
Luminance	0.0881 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66511F #1F3466

analogous

#662D1F #66511F #57661F

triadic

#66511F #1F6651 #511F66

tetradic

#66511F #1F662D #1F3466 #661F57

square

#66511F #1F662D #1F3466 #661F57

split-complementary

#66511F #1F5766 #2D1F66

monochromatic

#171307 #372C11 #66511F #95762D #C49B3C

Accessibility & contrast

On white

7.60

#66511F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#66511F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66511F

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66511F	#FFFFFF	#000000	##FFFFFF
##66511F	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5119

Deuteranopia (green-blind)

#605621

Tritanopia (blue-blind)

#6F4A46

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #66511f;
/* rgb */ color: rgb(102, 81, 31);
/* oklch */ color: oklch(44.6% 0.073 86.1);

Tailwind

colors: {
  custom: {
    50: '#94815d',
    500: '#66511f',
    950: '#000000',
  },
}

SCSS

$custom: #66511f;
$custom-light: #94815d;
$custom-dark: #000000;

JSON

{
  "hex": "#66511f",
  "rgb": {
    "r": 102,
    "g": 81,
    "b": 31
  },
  "hsl": {
    "h": 42.254,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.44593,
    "c": 0.0727,
    "h": 86.1
  },
  "luminance": 0.08809
}

Semantic roles & 50–950 ramp

primary

#66511F

secondary

#465F9A

accent

#76DD4B

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A04

muted

#7E7C79

Preview Lab

Preview with #66511F

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

Preview Lab → · Contrast checker → · Palette generator →