#666F2E#666F2E

#666F2E is a mid, moderate yellow. Relative luminance 0.144; OKLCH L 51.9% C 0.089 H 116.2°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#666F2E
RGB	rgb(102, 111, 46)
HSL	hsl(68, 41%, 31%)
HSV	hsv(68, 59%, 44%)
CMYK	cmyk(8.1%, 0%, 58.6%, 56.5%)
CIE-LAB	lab(44.79, -13.60, 34.41)
CIE-LCH	lch(44.79, 37.00, 111.56°)
OKLab	oklab(51.93% -0.0394 0.0802)
OKLCH	oklch(51.93% 0.089 116.2)
XYZ	xyz(11.6573, 14.3911, 4.7479)
Luminance	0.1439 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F2E #372E6F

analogous

#6F572E #666F2E #456F2E

triadic

#666F2E #2E666F #6F2E66

tetradic

#666F2E #2E6F57 #372E6F #6F2E45

square

#666F2E #2E6F57 #372E6F #6F2E45

split-complementary

#666F2E #2E456F #572E6F

monochromatic

#16180A #3E441C #666F2E #8E9A40 #AEBB5C

Accessibility & contrast

On white

5.41

#666F2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#666F2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F2E

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F2E	#FFFFFF	#000000	##FFFFFF
##666F2E	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766A27

Deuteranopia (green-blind)

#756A32

Tritanopia (blue-blind)

#6C6961

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f2e;
/* rgb */ color: rgb(102, 111, 46);
/* oklch */ color: oklch(51.9% 0.089 116.2);

Tailwind

colors: {
  custom: {
    50: '#939869',
    500: '#666f2e',
    950: '#000000',
  },
}

SCSS

$custom: #666f2e;
$custom-light: #939869;
$custom-dark: #000000;

JSON

{
  "hex": "#666f2e",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 46
  },
  "hsl": {
    "h": 68.308,
    "s": 41.401,
    "l": 30.784
  },
  "oklch": {
    "l": 0.51933,
    "c": 0.08934,
    "h": 116.2
  },
  "luminance": 0.14391
}

Semantic roles & 50–950 ramp

primary

#666F2E

secondary

#6258A0

accent

#57D168

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666F2E

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

Preview Lab → · Contrast checker → · Palette generator →