#666F1C#666F1C

#666F1C is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.8% C 0.105 H 115.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#666F1C
RGB	rgb(102, 111, 28)
HSL	hsl(67, 60%, 27%)
HSV	hsv(67, 75%, 44%)
CMYK	cmyk(8.1%, 0%, 74.8%, 56.5%)
CIE-LAB	lab(44.63, -14.94, 42.46)
CIE-LCH	lch(44.63, 45.01, 109.38°)
OKLab	oklab(51.75% -0.0451 0.0944)
OKLCH	oklch(51.75% 0.105 115.6)
XYZ	xyz(11.3738, 14.2777, 3.2551)
Luminance	0.1428 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F1C #251C6F

analogous

#6F4F1C #666F1C #3D6F1C

triadic

#666F1C #1C666F #6F1C66

tetradic

#666F1C #1C6F4F #251C6F #6F1C3D

square

#666F1C #1C6F4F #251C6F #6F1C3D

split-complementary

#666F1C #1C3D6F #4F1C6F

monochromatic

#161806 #393E10 #666F1C #93A028 #BDCD38

Accessibility & contrast

On white

5.45

#666F1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#666F1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F1C

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F1C	#FFFFFF	#000000	##FFFFFF
##666F1C	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#77690D

Deuteranopia (green-blind)

#776A23

Tritanopia (blue-blind)

#6D685F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f1c;
/* rgb */ color: rgb(102, 111, 28);
/* oklch */ color: oklch(51.8% 0.105 115.6);

Tailwind

colors: {
  custom: {
    50: '#94985f',
    500: '#666f1c',
    950: '#000000',
  },
}

SCSS

$custom: #666f1c;
$custom-light: #94985f;
$custom-dark: #000000;

JSON

{
  "hex": "#666f1c",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 28
  },
  "hsl": {
    "h": 66.506,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.51754,
    "c": 0.10465,
    "h": 115.6
  },
  "luminance": 0.14277
}

Semantic roles & 50–950 ramp

primary

#666F1C

secondary

#4E43A4

accent

#45E356

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666F1C

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

Preview Lab → · Contrast checker → · Palette generator →