#66633E#66633E

#66633E is a mid, muted yellow. Relative luminance 0.121; OKLCH L 49.3% C 0.054 H 104.2°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#66633E
RGB	rgb(102, 99, 62)
HSL	hsl(56, 24%, 32%)
HSV	hsv(56, 39%, 40%)
CMYK	cmyk(0%, 2.9%, 39.2%, 60%)
CIE-LAB	lab(41.37, -5.02, 21.47)
CIE-LCH	lch(41.37, 22.05, 103.17°)
OKLab	oklab(49.28% -0.0134 0.0528)
OKLCH	oklch(49.28% 0.054 104.2)
XYZ	xyz(10.8110, 12.0965, 6.3219)
Luminance	0.1210 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66633E #3E4166

analogous

#664F3E #66633E #55663E

triadic

#66633E #3E6663 #633E66

tetradic

#66633E #3E664F #3E4166 #663E55

square

#66633E #3E664F #3E4166 #663E55

split-complementary

#66633E #3E5566 #4F3E66

monochromatic

#1A1910 #403E27 #66633E #8C8855 #AAA674

Accessibility & contrast

On white

6.14

#66633E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#66633E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66633E

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66633E	#FFFFFF	#000000	##FFFFFF
##66633E	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603B

Deuteranopia (green-blind)

#6A623F

Tritanopia (blue-blind)

#6C5E5A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #66633e;
/* rgb */ color: rgb(102, 99, 62);
/* oklch */ color: oklch(49.3% 0.054 104.2);

Tailwind

colors: {
  custom: {
    50: '#928f74',
    500: '#66633e',
    950: '#000000',
  },
}

SCSS

$custom: #66633e;
$custom-light: #928f74;
$custom-dark: #000000;

JSON

{
  "hex": "#66633e",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 62
  },
  "hsl": {
    "h": 55.5,
    "s": 24.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4928,
    "c": 0.05444,
    "h": 104.2
  },
  "luminance": 0.12096
}

Semantic roles & 50–950 ramp

primary

#66633E

secondary

#6A6D96

accent

#6EC167

background

#F9F8F7

surface

#F1F0ED

border

#CBCBC8

text

#0D0C08

muted

#7E7D7B

Preview Lab

Preview with #66633E

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

Preview Lab → · Contrast checker → · Palette generator →