#666137#666137

#666137 is a mid, moderate yellow. Relative luminance 0.117; OKLCH L 48.7% C 0.061 H 102.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#666137
RGB	rgb(102, 97, 55)
HSL	hsl(54, 30%, 31%)
HSV	hsv(54, 46%, 40%)
CMYK	cmyk(0%, 4.9%, 46.1%, 60%)
CIE-LAB	lab(40.65, -4.72, 24.60)
CIE-LCH	lch(40.65, 25.05, 100.85°)
OKLab	oklab(48.68% -0.0131 0.0595)
OKLCH	oklch(48.68% 0.061 102.4)
XYZ	xyz(10.4440, 11.6503, 5.3123)
Luminance	0.1165 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666137 #373C66

analogous

#664937 #666137 #536637

triadic

#666137 #376661 #613766

tetradic

#666137 #376649 #373C66 #663753

square

#666137 #376649 #373C66 #663753

split-complementary

#666137 #375366 #493766

monochromatic

#16150C #3E3B22 #666137 #8E874C #AEA769

Accessibility & contrast

On white

6.31

#666137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#666137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666137

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666137	#FFFFFF	#000000	##FFFFFF
##666137	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E34

Deuteranopia (green-blind)

#6A6139

Tritanopia (blue-blind)

#6C5C57

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #666137;
/* rgb */ color: rgb(102, 97, 55);
/* oklch */ color: oklch(48.7% 0.061 102.4);

Tailwind

colors: {
  custom: {
    50: '#938d6e',
    500: '#666137',
    950: '#000000',
  },
}

SCSS

$custom: #666137;
$custom-light: #938d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#666137",
  "rgb": {
    "r": 102,
    "g": 97,
    "b": 55
  },
  "hsl": {
    "h": 53.617,
    "s": 29.936,
    "l": 30.784
  },
  "oklch": {
    "l": 0.48677,
    "c": 0.06093,
    "h": 102.4
  },
  "luminance": 0.1165
}

Semantic roles & 50–950 ramp

primary

#666137

secondary

#626896

accent

#6CC662

background

#F9F8F6

surface

#F1F0EC

border

#CBCBC7

text

#0D0C07

muted

#7E7D7A

Preview Lab

Preview with #666137

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

Preview Lab → · Contrast checker → · Palette generator →