#666F2D#666F2D

#666F2D is a mid, moderate yellow. Relative luminance 0.144; OKLCH L 51.9% C 0.090 H 116.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#666F2D
RGB	rgb(102, 111, 45)
HSL	hsl(68, 42%, 31%)
HSV	hsv(68, 59%, 44%)
CMYK	cmyk(8.1%, 0%, 59.5%, 56.5%)
CIE-LAB	lab(44.78, -13.69, 34.90)
CIE-LCH	lch(44.78, 37.49, 111.42°)
OKLab	oklab(51.92% -0.0398 0.0811)
OKLCH	oklch(51.92% 0.09 116.1)
XYZ	xyz(11.6378, 14.3833, 4.6453)
Luminance	0.1438 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F2D #362D6F

analogous

#6F572D #666F2D #456F2D

triadic

#666F2D #2D666F #6F2D66

tetradic

#666F2D #2D6F57 #362D6F #6F2D45

square

#666F2D #2D6F57 #362D6F #6F2D45

split-complementary

#666F2D #2D456F #572D6F

monochromatic

#16180A #3E431B #666F2D #8E9B3F #AFBC5A

Accessibility & contrast

On white

5.42

#666F2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#666F2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F2D

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F2D	#FFFFFF	#000000	##FFFFFF
##666F2D	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766A26

Deuteranopia (green-blind)

#766A31

Tritanopia (blue-blind)

#6C6961

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f2d;
/* rgb */ color: rgb(102, 111, 45);
/* oklch */ color: oklch(51.9% 0.090 116.1);

Tailwind

colors: {
  custom: {
    50: '#939868',
    500: '#666f2d',
    950: '#000000',
  },
}

SCSS

$custom: #666f2d;
$custom-light: #939868;
$custom-dark: #000000;

JSON

{
  "hex": "#666f2d",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 45
  },
  "hsl": {
    "h": 68.182,
    "s": 42.308,
    "l": 30.588
  },
  "oklch": {
    "l": 0.51921,
    "c": 0.09034,
    "h": 116.1
  },
  "luminance": 0.14383
}

Semantic roles & 50–950 ramp

primary

#666F2D

secondary

#6157A1

accent

#56D267

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666F2D

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

Preview Lab → · Contrast checker → · Palette generator →