#664D16#664D16

#664D16 is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.6% C 0.078 H 83.2°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#664D16
RGB	rgb(102, 77, 22)
HSL	hsl(41, 65%, 24%)
HSV	hsv(41, 78%, 40%)
CMYK	cmyk(0%, 24.5%, 78.4%, 60%)
CIE-LAB	lab(34.38, 4.49, 34.95)
CIE-LCH	lch(34.38, 35.23, 82.67°)
OKLab	oklab(43.6% 0.0092 0.0773)
OKLCH	oklch(43.6% 0.078 83.2)
XYZ	xyz(8.2787, 8.1911, 1.9039)
Luminance	0.0819 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664D16 #162F66

analogous

#662516 #664D16 #576616

triadic

#664D16 #16664D #4D1666

tetradic

#664D16 #166625 #162F66 #661657

square

#664D16 #166625 #162F66 #661657

split-complementary

#664D16 #165766 #251666

monochromatic

#191305 #34270B #664D16 #987321 #CB992C

Accessibility & contrast

On white

7.96

#664D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#664D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664D16

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664D16	#FFFFFF	#000000	##FFFFFF
##664D16	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)

#584D0E

Deuteranopia (green-blind)

#5E5318

Tritanopia (blue-blind)

#6F4542

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #664d16;
/* rgb */ color: rgb(102, 77, 22);
/* oklch */ color: oklch(43.6% 0.078 83.2);

Tailwind

colors: {
  custom: {
    50: '#957e57',
    500: '#664d16',
    950: '#000000',
  },
}

SCSS

$custom: #664d16;
$custom-light: #957e57;
$custom-dark: #000000;

JSON

{
  "hex": "#664d16",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 22
  },
  "hsl": {
    "h": 41.25,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.43595,
    "c": 0.07785,
    "h": 83.2
  },
  "luminance": 0.0819
}

Semantic roles & 50–950 ramp

primary

#664D16

secondary

#3B5A9D

accent

#75E840

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #664D16

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

Preview Lab → · Contrast checker → · Palette generator →