#66611B#66611B

#66611B is a mid, moderate yellow. Relative luminance 0.115; OKLCH L 48.3% C 0.089 H 105.2°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#66611B
RGB	rgb(102, 97, 27)
HSL	hsl(56, 58%, 25%)
HSV	hsv(56, 74%, 40%)
CMYK	cmyk(0%, 4.9%, 73.5%, 60%)
CIE-LAB	lab(40.33, -7.15, 38.64)
CIE-LCH	lch(40.33, 39.30, 100.49°)
OKLab	oklab(48.32% -0.0235 0.0862)
OKLCH	oklch(48.32% 0.089 105.2)
XYZ	xyz(9.9524, 11.4537, 2.7232)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66611B #1B2066

analogous

#663B1B #66611B #45661B

triadic

#66611B #1B6661 #611B66

tetradic

#66611B #1B663B #1B2066 #661B45

square

#66611B #1B663B #1B2066 #661B45

split-complementary

#66611B #1B4566 #3B1B66

monochromatic

#181706 #36330E #66611B #968F28 #C7BD35

Accessibility & contrast

On white

6.38

#66611B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#66611B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66611B

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66611B	#FFFFFF	#000000	##FFFFFF
##66611B	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5D10

Deuteranopia (green-blind)

#6C6020

Tritanopia (blue-blind)

#6E5A53

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #66611b;
/* rgb */ color: rgb(102, 97, 27);
/* oklch */ color: oklch(48.3% 0.089 105.2);

Tailwind

colors: {
  custom: {
    50: '#948d5c',
    500: '#66611b',
    950: '#000000',
  },
}

SCSS

$custom: #66611b;
$custom-light: #948d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#66611b",
  "rgb": {
    "r": 102,
    "g": 97,
    "b": 27
  },
  "hsl": {
    "h": 56,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.48319,
    "c": 0.08931,
    "h": 105.2
  },
  "luminance": 0.11453
}

Semantic roles & 50–950 ramp

primary

#66611B

secondary

#41479B

accent

#51E146

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #66611B

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

Preview Lab → · Contrast checker → · Palette generator →