#666B36#666B36

#666B36 is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 51.1% C 0.075 H 113.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#666B36
RGB	rgb(102, 107, 54)
HSL	hsl(66, 33%, 32%)
HSV	hsv(66, 50%, 42%)
CMYK	cmyk(4.7%, 0%, 49.5%, 58%)
CIE-LAB	lab(43.66, -10.57, 28.87)
CIE-LCH	lch(43.66, 30.74, 110.10°)
OKLab	oklab(51.07% -0.03 0.0689)
OKLCH	oklch(51.07% 0.075 113.5)
XYZ	xyz(11.4032, 13.6067, 5.5150)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B36 #3B366B

analogous

#6B5636 #666B36 #4C6B36

triadic

#666B36 #36666B #6B3666

tetradic

#666B36 #366B56 #3B366B #6B364C

square

#666B36 #366B56 #3B366B #6B364C

split-complementary

#666B36 #364C6B #56366B

monochromatic

#181A0D #3F4221 #666B36 #8D944B #ACB368

Accessibility & contrast

On white

5.64

#666B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#666B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B36

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B36	#FFFFFF	#000000	##FFFFFF
##666B36	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726731

Deuteranopia (green-blind)

#726839

Tritanopia (blue-blind)

#6C665F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666b36;
/* rgb */ color: rgb(102, 107, 54);
/* oklch */ color: oklch(51.1% 0.075 113.5);

Tailwind

colors: {
  custom: {
    50: '#93956e',
    500: '#666b36',
    950: '#000000',
  },
}

SCSS

$custom: #666b36;
$custom-light: #93956e;
$custom-dark: #000000;

JSON

{
  "hex": "#666b36",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 54
  },
  "hsl": {
    "h": 65.66,
    "s": 32.919,
    "l": 31.569
  },
  "oklch": {
    "l": 0.51066,
    "c": 0.07517,
    "h": 113.5
  },
  "luminance": 0.13607
}

Semantic roles & 50–950 ramp

primary

#666B36

secondary

#67619C

accent

#5FC969

background

#F9F9F6

surface

#F1F1EC

border

#CBCBC7

text

#0D0D07

muted

#7E7E7A

Preview Lab

Preview with #666B36

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

Preview Lab → · Contrast checker → · Palette generator →