#666459#666459

#666459 is a mid, near-neutral grey. Relative luminance 0.127; OKLCH L 50.2% C 0.017 H 98.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#666459
RGB	rgb(102, 100, 89)
HSL	hsl(51, 7%, 37%)
HSV	hsv(51, 13%, 40%)
CMYK	cmyk(0%, 2%, 12.7%, 60%)
CIE-LAB	lab(42.25, -1.35, 6.52)
CIE-LCH	lch(42.25, 6.66, 101.73°)
OKLab	oklab(50.17% -0.0025 0.017)
OKLCH	oklch(50.17% 0.017 98.5)
XYZ	xyz(11.8397, 12.6605, 11.2693)
Luminance	0.1266 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666459 #595B66

analogous

#665E59 #666459 #626659

triadic

#666459 #596664 #645966

tetradic

#666459 #59665E #595B66 #665962

square

#666459 #59665E #595B66 #665962

split-complementary

#666459 #596266 #5E5966

monochromatic

#252420 #45443C #666459 #878476 #A3A196

Accessibility & contrast

On white

5.95

#666459 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#666459 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666459

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666459	#FFFFFF	#000000	##FFFFFF
##666459	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666358

Deuteranopia (green-blind)

#676459

Tritanopia (blue-blind)

#686261

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #666459;
/* rgb */ color: rgb(102, 100, 89);
/* oklch */ color: oklch(50.2% 0.017 98.5);

Tailwind

colors: {
  custom: {
    50: '#919087',
    500: '#666459',
    950: '#000000',
  },
}

SCSS

$custom: #666459;
$custom-light: #919087;
$custom-dark: #000000;

JSON

{
  "hex": "#666459",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 89
  },
  "hsl": {
    "h": 50.769,
    "s": 6.806,
    "l": 37.451
  },
  "oklch": {
    "l": 0.50165,
    "c": 0.01716,
    "h": 98.5
  },
  "luminance": 0.1266
}

Semantic roles & 50–950 ramp

primary

#666459

secondary

#888A93

accent

#81B078

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #666459

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

Preview Lab → · Contrast checker → · Palette generator →