#664F18#664F18

#664F18 is a dark, moderate orange. Relative luminance 0.085; OKLCH L 44.1% C 0.077 H 85.4°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#664F18
RGB	rgb(102, 79, 24)
HSL	hsl(42, 62%, 25%)
HSV	hsv(42, 76%, 40%)
CMYK	cmyk(0%, 22.5%, 76.5%, 60%)
CIE-LAB	lab(34.97, 3.38, 34.61)
CIE-LCH	lch(34.97, 34.78, 84.43°)
OKLab	oklab(44.07% 0.0062 0.077)
OKLCH	oklch(44.07% 0.077 85.4)
XYZ	xyz(8.4408, 8.4833, 2.0568)
Luminance	0.0848 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664F18 #182F66

analogous

#662818 #664F18 #566618

triadic

#664F18 #18664F #4F1866

tetradic

#664F18 #186628 #182F66 #661856

square

#664F18 #186628 #182F66 #661856

split-complementary

#664F18 #185666 #281866

monochromatic

#191306 #34290C #664F18 #987524 #C99C2F

Accessibility & contrast

On white

7.79

#664F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#664F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664F18

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664F18	#FFFFFF	#000000	##FFFFFF
##664F18	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F10

Deuteranopia (green-blind)

#5F551A

Tritanopia (blue-blind)

#6F4744

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #664f18;
/* rgb */ color: rgb(102, 79, 24);
/* oklch */ color: oklch(44.1% 0.077 85.4);

Tailwind

colors: {
  custom: {
    50: '#958059',
    500: '#664f18',
    950: '#000000',
  },
}

SCSS

$custom: #664f18;
$custom-light: #958059;
$custom-dark: #000000;

JSON

{
  "hex": "#664f18",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 24
  },
  "hsl": {
    "h": 42.308,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.44066,
    "c": 0.07729,
    "h": 85.4
  },
  "luminance": 0.08483
}

Semantic roles & 50–950 ramp

primary

#664F18

secondary

#3E5A9C

accent

#73E543

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #664F18

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

Preview Lab → · Contrast checker → · Palette generator →