#666647#666647

#666647 is a mid, muted yellow. Relative luminance 0.128; OKLCH L 50.2% C 0.046 H 108.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#666647
RGB	rgb(102, 102, 71)
HSL	hsl(60, 18%, 34%)
HSV	hsv(60, 30%, 40%)
CMYK	cmyk(0%, 0%, 30.4%, 60%)
CIE-LAB	lab(42.43, -5.52, 17.58)
CIE-LCH	lch(42.43, 18.43, 107.42°)
OKLab	oklab(50.18% -0.0143 0.044)
OKLCH	oklch(50.18% 0.046 108)
XYZ	xyz(11.3682, 12.7826, 7.8284)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666647 #474766

analogous

#665747 #666647 #576647

triadic

#666647 #476666 #664766

tetradic

#666647 #476657 #474766 #664757

square

#666647 #476657 #474766 #664757

split-complementary

#666647 #475766 #574766

monochromatic

#1E1E15 #42422E #666647 #8A8A60 #A7A780

Accessibility & contrast

On white

5.90

#666647 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#666647 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666647

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666647	#FFFFFF	#000000	##FFFFFF
##666647	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6345

Deuteranopia (green-blind)

#6C6548

Tritanopia (blue-blind)

#6A625E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #666647;
/* rgb */ color: rgb(102, 102, 71);
/* oklch */ color: oklch(50.2% 0.046 108.0);

Tailwind

colors: {
  custom: {
    50: '#92917a',
    500: '#666647',
    950: '#000000',
  },
}

SCSS

$custom: #666647;
$custom-light: #92917a;
$custom-dark: #000000;

JSON

{
  "hex": "#666647",
  "rgb": {
    "r": 102,
    "g": 102,
    "b": 71
  },
  "hsl": {
    "h": 60,
    "s": 17.919,
    "l": 33.922
  },
  "oklch": {
    "l": 0.50179,
    "c": 0.04625,
    "h": 108
  },
  "luminance": 0.12782
}

Semantic roles & 50–950 ramp

primary

#666647

secondary

#757594

accent

#6DBB6D

background

#F9F8F7

surface

#F1F0ED

border

#CBCBC8

text

#0D0C09

muted

#7E7D7B

Preview Lab

Preview with #666647

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

Preview Lab → · Contrast checker → · Palette generator →