#666E2E#666E2E

#666E2E is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.7% C 0.088 H 115.5°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#666E2E
RGBrgb(102, 110, 46)
HSLhsl(68, 41%, 31%)
HSVhsv(68, 58%, 43%)
CMYKcmyk(7.3%, 0%, 58.2%, 56.9%)
CIE-LABlab(44.48, -13.05, 34.06)
CIE-LCHlch(44.48, 36.48, 110.96°)
OKLaboklab(51.69% -0.0379 0.0794)
OKLCHoklch(51.69% 0.088 115.5)
XYZxyz(11.5488, 14.1741, 4.7117)
Luminance0.1417 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666E2E #362E6E
analogous
#6E562E #666E2E #466E2E
triadic
#666E2E #2E666E #6E2E66
tetradic
#666E2E #2E6E56 #362E6E #6E2E46
square
#666E2E #2E6E56 #362E6E #6E2E46
split-complementary
#666E2E #2E466E #562E6E
monochromatic
#16180A #3E431C #666E2E #8E9940 #AFBB5C

Accessibility & contrast

On white

5.48
#666E2E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.83
#666E2E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E2E
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666E2E#FFFFFF#000000##FFFFFF
##666E2E1.005.483.835.48
#FFFFFF5.481.0021.001.00
#0000003.8321.001.0021.00
##FFFFFF5.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#756927
Deuteranopia (green-blind)
#756A32
Tritanopia (blue-blind)
#6C6860
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #666e2e;
/* rgb */ color: rgb(102, 110, 46);
/* oklch */ color: oklch(51.7% 0.088 115.5);
Tailwind
colors: {
  custom: {
    50: '#939769',
    500: '#666e2e',
    950: '#000000',
  },
}
SCSS
$custom: #666e2e;
$custom-light: #939769;
$custom-dark: #000000;
JSON
{
  "hex": "#666e2e",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 46
  },
  "hsl": {
    "h": 67.5,
    "s": 41.026,
    "l": 30.588
  },
  "oklch": {
    "l": 0.51687,
    "c": 0.08798,
    "h": 115.5
  },
  "luminance": 0.14174
}

Semantic roles & 50–950 ramp

primary
#666E2E
secondary
#61589F
accent
#57D166
background
#F9F9F6
surface
#F1F2EB
border
#CBCCC6
text
#0D0D06
muted
#7E7E7A

Preview Lab

Preview with #666E2E

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

Preview Lab → · Contrast checker → · Palette generator →

#666E2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva