#66633D#66633D

#66633D is a mid, muted yellow. Relative luminance 0.121; OKLCH L 49.3% C 0.056 H 104.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#66633D
RGB	rgb(102, 99, 61)
HSL	hsl(56, 25%, 32%)
HSV	hsv(56, 40%, 40%)
CMYK	cmyk(0%, 2.9%, 40.2%, 60%)
CIE-LAB	lab(41.35, -5.15, 22.03)
CIE-LCH	lch(41.35, 22.62, 103.16°)
OKLab	oklab(49.26% -0.0138 0.054)
OKLCH	oklch(49.26% 0.056 104.4)
XYZ	xyz(10.7838, 12.0856, 6.1787)
Luminance	0.1208 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66633D #3D4066

analogous

#664F3D #66633D #55663D

triadic

#66633D #3D6663 #633D66

tetradic

#66633D #3D664F #3D4066 #663D55

square

#66633D #3D664F #3D4066 #663D55

split-complementary

#66633D #3D5566 #4F3D66

monochromatic

#19190F #403E26 #66633D #8C8854 #ABA772

Accessibility & contrast

On white

6.15

#66633D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#66633D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66633D

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66633D	#FFFFFF	#000000	##FFFFFF
##66633D	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603A

Deuteranopia (green-blind)

#6A623F

Tritanopia (blue-blind)

#6C5E5A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #66633d;
/* rgb */ color: rgb(102, 99, 61);
/* oklch */ color: oklch(49.3% 0.056 104.4);

Tailwind

colors: {
  custom: {
    50: '#928f73',
    500: '#66633d',
    950: '#000000',
  },
}

SCSS

$custom: #66633d;
$custom-light: #928f73;
$custom-dark: #000000;

JSON

{
  "hex": "#66633d",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 61
  },
  "hsl": {
    "h": 55.61,
    "s": 25.153,
    "l": 31.961
  },
  "oklch": {
    "l": 0.49261,
    "c": 0.05574,
    "h": 104.4
  },
  "luminance": 0.12085
}

Semantic roles & 50–950 ramp

primary

#66633D

secondary

#696C96

accent

#6DC266

background

#F9F8F7

surface

#F1F0ED

border

#CBCBC8

text

#0D0C08

muted

#7E7D7B

Preview Lab

Preview with #66633D

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

Preview Lab → · Contrast checker → · Palette generator →