#666311#666311

#666311 is a mid, moderate yellow. Relative luminance 0.118; OKLCH L 48.7% C 0.098 H 107.3°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#666311
RGB	rgb(102, 99, 17)
HSL	hsl(58, 71%, 23%)
HSV	hsv(58, 83%, 40%)
CMYK	cmyk(0%, 2.9%, 83.3%, 60%)
CIE-LAB	lab(40.88, -8.79, 42.97)
CIE-LCH	lch(40.88, 43.86, 101.56°)
OKLab	oklab(48.73% -0.0291 0.0933)
OKLCH	oklch(48.73% 0.098 107.3)
XYZ	xyz(10.0429, 11.7893, 2.2767)
Luminance	0.1179 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666311 #111466

analogous

#663811 #666311 #3E6611

triadic

#666311 #116663 #631166

tetradic

#666311 #116638 #111466 #66113E

square

#666311 #116638 #111466 #66113E

split-complementary

#666311 #113E66 #381166

monochromatic

#1A1904 #323008 #666311 #9A961A #CFC922

Accessibility & contrast

On white

6.25

#666311 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#666311 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666311

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666311	#FFFFFF	#000000	##FFFFFF
##666311	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5F00

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#6E5C54

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #666311;
/* rgb */ color: rgb(102, 99, 17);
/* oklch */ color: oklch(48.7% 0.098 107.3);

Tailwind

colors: {
  custom: {
    50: '#958f58',
    500: '#666311',
    950: '#000000',
  },
}

SCSS

$custom: #666311;
$custom-light: #958f58;
$custom-dark: #000000;

JSON

{
  "hex": "#666311",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 17
  },
  "hsl": {
    "h": 57.882,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.48733,
    "c": 0.09774,
    "h": 107.3
  },
  "luminance": 0.11789
}

Semantic roles & 50–950 ramp

primary

#666311

secondary

#35389E

accent

#40EE3A

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0C04

muted

#7E7D79

Preview Lab

Preview with #666311

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

Preview Lab → · Contrast checker → · Palette generator →