#666E58#666E58

#666E58 is a mid, muted yellow-green. Relative luminance 0.147; OKLCH L 52.5% C 0.035 H 123.8°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#666E58
RGB	rgb(102, 110, 88)
HSL	hsl(82, 11%, 39%)
HSV	hsv(82, 20%, 43%)
CMYK	cmyk(7.3%, 0%, 20%, 56.9%)
CIE-LAB	lab(45.19, -7.37, 11.27)
CIE-LCH	lch(45.19, 13.47, 123.18°)
OKLab	oklab(52.49% -0.0194 0.0289)
OKLCH	oklch(52.49% 0.035 123.8)
XYZ	xyz(12.8166, 14.6812, 11.3892)
Luminance	0.1468 (WCAG relative)
Temperature	neutral
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E58 #60586E

analogous

#6E6B58 #666E58 #5B6E58

triadic

#666E58 #58666E #6E5866

tetradic

#666E58 #586E6B #60586E #6E585B

square

#666E58 #586E6B #60586E #6E585B

split-complementary

#666E58 #585B6E #6B586E

monochromatic

#272A22 #464C3D #666E58 #859074 #A3AB96

Accessibility & contrast

On white

5.34

#666E58 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#666E58 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E58

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E58	#FFFFFF	#000000	##FFFFFF
##666E58	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716B57

Deuteranopia (green-blind)

#706B59

Tritanopia (blue-blind)

#686C68

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #666e58;
/* rgb */ color: rgb(102, 110, 88);
/* oklch */ color: oklch(52.5% 0.035 123.8);

Tailwind

colors: {
  custom: {
    50: '#919787',
    500: '#666e58',
    950: '#000000',
  },
}

SCSS

$custom: #666e58;
$custom-light: #919787;
$custom-dark: #000000;

JSON

{
  "hex": "#666e58",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 88
  },
  "hsl": {
    "h": 81.818,
    "s": 11.111,
    "l": 38.824
  },
  "oklch": {
    "l": 0.52489,
    "c": 0.0348,
    "h": 123.8
  },
  "luminance": 0.14681
}

Semantic roles & 50–950 ramp

primary

#666E58

secondary

#8F8899

accent

#74B48B

background

#F8F9F8

surface

#F0F2EF

border

#CBCCCA

text

#0D0D0B

muted

#7D7E7C

Preview Lab

Preview with #666E58

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

Preview Lab → · Contrast checker → · Palette generator →