#666D2D#666D2D

#666D2D is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.4% C 0.088 H 114.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#666D2D
RGB	rgb(102, 109, 45)
HSL	hsl(67, 42%, 30%)
HSV	hsv(67, 59%, 43%)
CMYK	cmyk(6.4%, 0%, 58.7%, 57.3%)
CIE-LAB	lab(44.16, -12.59, 34.21)
CIE-LCH	lch(44.16, 36.45, 110.20°)
OKLab	oklab(51.43% -0.0367 0.0796)
OKLCH	oklch(51.43% 0.088 114.7)
XYZ	xyz(11.4220, 13.9517, 4.5734)
Luminance	0.1395 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666D2D #342D6D

analogous

#6D542D #666D2D #466D2D

triadic

#666D2D #2D666D #6D2D66

tetradic

#666D2D #2D6D54 #342D6D #6D2D46

square

#666D2D #2D6D54 #342D6D #6D2D46

split-complementary

#666D2D #2D466D #542D6D

monochromatic

#151609 #3D421B #666D2D #8F983F #B0BB5A

Accessibility & contrast

On white

5.54

#666D2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#666D2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666D2D

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666D2D	#FFFFFF	#000000	##FFFFFF
##666D2D	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746826

Deuteranopia (green-blind)

#746931

Tritanopia (blue-blind)

#6C675F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #666d2d;
/* rgb */ color: rgb(102, 109, 45);
/* oklch */ color: oklch(51.4% 0.088 114.7);

Tailwind

colors: {
  custom: {
    50: '#939668',
    500: '#666d2d',
    950: '#000000',
  },
}

SCSS

$custom: #666d2d;
$custom-light: #939668;
$custom-dark: #000000;

JSON

{
  "hex": "#666d2d",
  "rgb": {
    "r": 102,
    "g": 109,
    "b": 45
  },
  "hsl": {
    "h": 66.563,
    "s": 41.558,
    "l": 30.196
  },
  "oklch": {
    "l": 0.51429,
    "c": 0.08766,
    "h": 114.7
  },
  "luminance": 0.13952
}

Semantic roles & 50–950 ramp

primary

#666D2D

secondary

#5F579F

accent

#56D164

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666D2D

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

Preview Lab → · Contrast checker → · Palette generator →