#666151#666151

#666151 is a mid, muted yellow. Relative luminance 0.120; OKLCH L 49.2% C 0.025 H 92.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#666151
RGB	rgb(102, 97, 81)
HSL	hsl(46, 11%, 36%)
HSV	hsv(46, 21%, 40%)
CMYK	cmyk(0%, 4.9%, 20.6%, 60%)
CIE-LAB	lab(41.17, -0.99, 9.85)
CIE-LCH	lch(41.17, 9.90, 95.73°)
OKLab	oklab(49.25% -0.0012 0.0253)
OKLCH	oklch(49.25% 0.025 92.7)
XYZ	xyz(11.2393, 11.9684, 9.5010)
Luminance	0.1197 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666151 #515666

analogous

#665651 #666151 #606651

triadic

#666151 #516661 #615166

tetradic

#666151 #516656 #515666 #665160

square

#666151 #516656 #515666 #665160

split-complementary

#666151 #516066 #565166

monochromatic

#22201B #444136 #666151 #88816C #A49F8D

Accessibility & contrast

On white

6.19

#666151 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#666151 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666151

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666151	#FFFFFF	#000000	##FFFFFF
##666151	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#656050

Deuteranopia (green-blind)

#666251

Tritanopia (blue-blind)

#6A5E5D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #666151;
/* rgb */ color: rgb(102, 97, 81);
/* oklch */ color: oklch(49.2% 0.025 92.7);

Tailwind

colors: {
  custom: {
    50: '#918d81',
    500: '#666151',
    950: '#000000',
  },
}

SCSS

$custom: #666151;
$custom-light: #918d81;
$custom-dark: #000000;

JSON

{
  "hex": "#666151",
  "rgb": {
    "r": 102,
    "g": 97,
    "b": 81
  },
  "hsl": {
    "h": 45.714,
    "s": 11.475,
    "l": 35.882
  },
  "oklch": {
    "l": 0.49248,
    "c": 0.02537,
    "h": 92.7
  },
  "luminance": 0.11968
}

Semantic roles & 50–950 ramp

primary

#666151

secondary

#808493

accent

#83B473

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0D0C0A

muted

#7D7D7C

Preview Lab

Preview with #666151

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

Preview Lab → · Contrast checker → · Palette generator →