#66633F#66633F

#66633F is a mid, muted yellow. Relative luminance 0.121; OKLCH L 49.3% C 0.053 H 104.1°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#66633F
RGB	rgb(102, 99, 63)
HSL	hsl(55, 24%, 32%)
HSV	hsv(55, 38%, 40%)
CMYK	cmyk(0%, 2.9%, 38.2%, 60%)
CIE-LAB	lab(41.39, -4.89, 20.91)
CIE-LCH	lch(41.39, 21.47, 103.17°)
OKLab	oklab(49.3% -0.0129 0.0515)
OKLCH	oklch(49.3% 0.053 104.1)
XYZ	xyz(10.8387, 12.1076, 6.4677)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66633F #3F4266

analogous

#66503F #66633F #55663F

triadic

#66633F #3F6663 #633F66

tetradic

#66633F #3F6650 #3F4266 #663F55

square

#66633F #3F6650 #3F4266 #663F55

split-complementary

#66633F #3F5566 #503F66

monochromatic

#1A1A10 #403E28 #66633F #8C8856 #AAA675

Accessibility & contrast

On white

6.14

#66633F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#66633F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66633F

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66633F	#FFFFFF	#000000	##FFFFFF
##66633F	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)

#69613C

Deuteranopia (green-blind)

#6A6340

Tritanopia (blue-blind)

#6B5E5A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #66633f;
/* rgb */ color: rgb(102, 99, 63);
/* oklch */ color: oklch(49.3% 0.053 104.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66633f",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 63
  },
  "hsl": {
    "h": 55.385,
    "s": 23.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.493,
    "c": 0.05312,
    "h": 104.1
  },
  "luminance": 0.12107
}

Semantic roles & 50–950 ramp

primary

#66633F

secondary

#6B6F95

accent

#6EC068

background

#F9F8F7

surface

#F1F0ED

border

#CBCBC8

text

#0D0C08

muted

#7E7D7B

Preview Lab

Preview with #66633F

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

Preview Lab → · Contrast checker → · Palette generator →