#664D17#664D17

#664D17 is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.6% C 0.077 H 83.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#664D17
RGB	rgb(102, 77, 23)
HSL	hsl(41, 63%, 25%)
HSV	hsv(41, 77%, 40%)
CMYK	cmyk(0%, 24.5%, 77.5%, 60%)
CIE-LAB	lab(34.39, 4.55, 34.49)
CIE-LCH	lch(34.39, 34.79, 82.49°)
OKLab	oklab(43.6% 0.0095 0.0766)
OKLCH	oklch(43.6% 0.077 83)
XYZ	xyz(8.2885, 8.1950, 1.9557)
Luminance	0.0819 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664D17 #173066

analogous

#662617 #664D17 #586617

triadic

#664D17 #17664D #4D1766

tetradic

#664D17 #176626 #173066 #661758

square

#664D17 #176626 #173066 #661758

split-complementary

#664D17 #175866 #261766

monochromatic

#191306 #34270C #664D17 #987322 #CA982E

Accessibility & contrast

On white

7.96

#664D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#664D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664D17

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664D17	#FFFFFF	#000000	##FFFFFF
##664D17	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D0F

Deuteranopia (green-blind)

#5E5319

Tritanopia (blue-blind)

#6F4542

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #664d17;
/* rgb */ color: rgb(102, 77, 23);
/* oklch */ color: oklch(43.6% 0.077 83.0);

Tailwind

colors: {
  custom: {
    50: '#957e58',
    500: '#664d17',
    950: '#000000',
  },
}

SCSS

$custom: #664d17;
$custom-light: #957e58;
$custom-dark: #000000;

JSON

{
  "hex": "#664d17",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 23
  },
  "hsl": {
    "h": 41.013,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.43604,
    "c": 0.07715,
    "h": 83
  },
  "luminance": 0.08194
}

Semantic roles & 50–950 ramp

primary

#664D17

secondary

#3C5B9C

accent

#76E642

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #664D17

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

Preview Lab → · Contrast checker → · Palette generator →