#666B2D#666B2D

#666B2D is a mid, moderate yellow. Relative luminance 0.135; OKLCH L 50.9% C 0.085 H 113.2°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#666B2D
RGB	rgb(102, 107, 45)
HSL	hsl(65, 41%, 30%)
HSV	hsv(65, 58%, 42%)
CMYK	cmyk(4.7%, 0%, 57.9%, 58%)
CIE-LAB	lab(43.55, -11.47, 33.51)
CIE-LCH	lch(43.55, 35.42, 108.90°)
OKLab	oklab(50.94% -0.0335 0.0781)
OKLCH	oklch(50.94% 0.085 113.2)
XYZ	xyz(11.2111, 13.5298, 4.5030)
Luminance	0.1353 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B2D #322D6B

analogous

#6B512D #666B2D #476B2D

triadic

#666B2D #2D666B #6B2D66

tetradic

#666B2D #2D6B51 #322D6B #6B2D47

square

#666B2D #2D6B51 #322D6B #6B2D47

split-complementary

#666B2D #2D476B #512D6B

monochromatic

#151609 #3D401B #666B2D #8F963F #B1B959

Accessibility & contrast

On white

5.67

#666B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#666B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B2D

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B2D	#FFFFFF	#000000	##FFFFFF
##666B2D	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726627

Deuteranopia (green-blind)

#726831

Tritanopia (blue-blind)

#6C655D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666b2d;
/* rgb */ color: rgb(102, 107, 45);
/* oklch */ color: oklch(50.9% 0.085 113.2);

Tailwind

colors: {
  custom: {
    50: '#939568',
    500: '#666b2d',
    950: '#000000',
  },
}

SCSS

$custom: #666b2d;
$custom-light: #939568;
$custom-dark: #000000;

JSON

{
  "hex": "#666b2d",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 45
  },
  "hsl": {
    "h": 64.839,
    "s": 40.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.50939,
    "c": 0.08501,
    "h": 113.2
  },
  "luminance": 0.1353
}

Semantic roles & 50–950 ramp

primary

#666B2D

secondary

#5D579D

accent

#57D161

background

#F9F9F6

surface

#F1F1EB

border

#CBCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666B2D

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

Preview Lab → · Contrast checker → · Palette generator →