#666E1E#666E1E

#666E1E is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.5% C 0.102 H 115.0°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#666E1E
RGB	rgb(102, 110, 30)
HSL	hsl(66, 57%, 27%)
HSV	hsv(66, 73%, 43%)
CMYK	cmyk(7.3%, 0%, 72.7%, 56.9%)
CIE-LAB	lab(44.33, -14.27, 41.36)
CIE-LCH	lch(44.33, 43.75, 109.04°)
OKLab	oklab(51.52% -0.0431 0.0925)
OKLCH	oklch(51.52% 0.102 115)
XYZ	xyz(11.2901, 14.0706, 3.3492)
Luminance	0.1407 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E1E #261E6E

analogous

#6E4E1E #666E1E #3E6E1E

triadic

#666E1E #1E666E #6E1E66

tetradic

#666E1E #1E6E4E #261E6E #6E1E3E

square

#666E1E #1E6E4E #261E6E #6E1E3E

split-complementary

#666E1E #1E3E6E #4E1E6E

monochromatic

#161807 #393E11 #666E1E #939E2B #BCCA3C

Accessibility & contrast

On white

5.51

#666E1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#666E1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E1E

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E1E	#FFFFFF	#000000	##FFFFFF
##666E1E	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766811

Deuteranopia (green-blind)

#766924

Tritanopia (blue-blind)

#6D675E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e1e;
/* rgb */ color: rgb(102, 110, 30);
/* oklch */ color: oklch(51.5% 0.102 115.0);

Tailwind

colors: {
  custom: {
    50: '#94975f',
    500: '#666e1e',
    950: '#000000',
  },
}

SCSS

$custom: #666e1e;
$custom-light: #94975f;
$custom-dark: #000000;

JSON

{
  "hex": "#666e1e",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 30
  },
  "hsl": {
    "h": 66,
    "s": 57.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.51522,
    "c": 0.10201,
    "h": 115
  },
  "luminance": 0.1407
}

Semantic roles & 50–950 ramp

primary

#666E1E

secondary

#4F46A2

accent

#47E057

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666E1E

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

Preview Lab → · Contrast checker → · Palette generator →