#666E19#666E19

#666E19 is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.5% C 0.105 H 114.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#666E19
RGB	rgb(102, 110, 25)
HSL	hsl(66, 63%, 26%)
HSV	hsv(66, 77%, 43%)
CMYK	cmyk(7.3%, 0%, 77.3%, 56.9%)
CIE-LAB	lab(44.30, -14.56, 43.30)
CIE-LCH	lch(44.30, 45.68, 108.58°)
OKLab	oklab(51.48% -0.0444 0.0956)
OKLCH	oklch(51.48% 0.105 114.9)
XYZ	xyz(11.2312, 14.0470, 3.0392)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E19 #21196E

analogous

#6E4C19 #666E19 #3C6E19

triadic

#666E19 #19666E #6E1966

tetradic

#666E19 #196E4C #21196E #6E193C

square

#666E19 #196E4C #21196E #6E193C

split-complementary

#666E19 #193C6E #4C196E

monochromatic

#171906 #383C0E #666E19 #94A024 #C1D031

Accessibility & contrast

On white

5.51

#666E19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#666E19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E19

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E19	#FFFFFF	#000000	##FFFFFF
##666E19	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)

#766807

Deuteranopia (green-blind)

#766920

Tritanopia (blue-blind)

#6D675E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e19;
/* rgb */ color: rgb(102, 110, 25);
/* oklch */ color: oklch(51.5% 0.105 114.9);

Tailwind

colors: {
  custom: {
    50: '#94975d',
    500: '#666e19',
    950: '#000000',
  },
}

SCSS

$custom: #666e19;
$custom-light: #94975d;
$custom-dark: #000000;

JSON

{
  "hex": "#666e19",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 25
  },
  "hsl": {
    "h": 65.647,
    "s": 62.963,
    "l": 26.471
  },
  "oklch": {
    "l": 0.51484,
    "c": 0.10541,
    "h": 114.9
  },
  "luminance": 0.14047
}

Semantic roles & 50–950 ramp

primary

#666E19

secondary

#493FA3

accent

#42E651

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666E19

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

Preview Lab → · Contrast checker → · Palette generator →