#666355#666355

#666355 is a mid, muted yellow. Relative luminance 0.124; OKLCH L 49.8% C 0.022 H 97.1°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#666355
RGB	rgb(102, 99, 85)
HSL	hsl(49, 9%, 37%)
HSV	hsv(49, 17%, 40%)
CMYK	cmyk(0%, 2.9%, 16.7%, 60%)
CIE-LAB	lab(41.85, -1.48, 8.39)
CIE-LCH	lch(41.85, 8.52, 100.03°)
OKLab	oklab(49.82% -0.0027 0.0217)
OKLCH	oklch(49.82% 0.022 97.1)
XYZ	xyz(11.5809, 12.4045, 10.3768)
Luminance	0.1240 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666355 #555866

analogous

#665B55 #666355 #616655

triadic

#666355 #556663 #635566

tetradic

#666355 #55665B #555866 #665561

square

#666355 #55665B #555866 #665561

split-complementary

#666355 #556166 #5B5566

monochromatic

#23221D #454339 #666355 #878371 #A4A192

Accessibility & contrast

On white

6.03

#666355 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#666355 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666355

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666355	#FFFFFF	#000000	##FFFFFF
##666355	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666254

Deuteranopia (green-blind)

#676355

Tritanopia (blue-blind)

#69615F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #666355;
/* rgb */ color: rgb(102, 99, 85);
/* oklch */ color: oklch(49.8% 0.022 97.1);

Tailwind

colors: {
  custom: {
    50: '#918f84',
    500: '#666355',
    950: '#000000',
  },
}

SCSS

$custom: #666355;
$custom-light: #918f84;
$custom-dark: #000000;

JSON

{
  "hex": "#666355",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 85
  },
  "hsl": {
    "h": 49.412,
    "s": 9.091,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49821,
    "c": 0.02186,
    "h": 97.1
  },
  "luminance": 0.12404
}

Semantic roles & 50–950 ramp

primary

#666355

secondary

#848793

accent

#80B276

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #666355

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

Preview Lab → · Contrast checker → · Palette generator →