#664D18#664D18

#664D18 is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.6% C 0.076 H 82.7°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#664D18
RGB	rgb(102, 77, 24)
HSL	hsl(41, 62%, 25%)
HSV	hsv(41, 76%, 40%)
CMYK	cmyk(0%, 24.5%, 76.5%, 60%)
CIE-LAB	lab(34.39, 4.60, 34.03)
CIE-LCH	lch(34.39, 34.34, 82.30°)
OKLab	oklab(43.61% 0.0098 0.0758)
OKLCH	oklch(43.61% 0.076 82.7)
XYZ	xyz(8.2988, 8.1991, 2.0095)
Luminance	0.0820 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664D18 #183166

analogous

#662618 #664D18 #586618

triadic

#664D18 #18664D #4D1866

tetradic

#664D18 #186626 #183166 #661858

square

#664D18 #186626 #183166 #661858

split-complementary

#664D18 #185866 #261866

monochromatic

#191306 #34280C #664D18 #987224 #C9982F

Accessibility & contrast

On white

7.96

#664D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#664D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664D18

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664D18	#FFFFFF	#000000	##FFFFFF
##664D18	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)

#584D11

Deuteranopia (green-blind)

#5D531A

Tritanopia (blue-blind)

#6F4542

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #664d18;
/* rgb */ color: rgb(102, 77, 24);
/* oklch */ color: oklch(43.6% 0.076 82.7);

Tailwind

colors: {
  custom: {
    50: '#957e58',
    500: '#664d18',
    950: '#000000',
  },
}

SCSS

$custom: #664d18;
$custom-light: #957e58;
$custom-dark: #000000;

JSON

{
  "hex": "#664d18",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 24
  },
  "hsl": {
    "h": 40.769,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43613,
    "c": 0.07644,
    "h": 82.7
  },
  "luminance": 0.08198
}

Semantic roles & 50–950 ramp

primary

#664D18

secondary

#3E5C9C

accent

#77E543

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #664D18

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

Preview Lab → · Contrast checker → · Palette generator →