#66691A

Closest named color: Mud Green (#606602). oklch(50.3% 0.099 111.6), rgb(102, 105, 26).

Aa

White text reads best on this color (5.83:1).

About this color

#66691A is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.099 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.018 away. White text reads best on it, at 5.83:1.

Hue familyYellows
Lightnessmedium-dark (50%)
Chromamoderately saturated (0.099)
Temperaturein between
Nearest nameMud Green (#606602)
Black text3.60:1
White text5.83:1

Values

HEX#66691A
RGBrgb(102, 105, 26)
HSLhsl(62, 60%, 26%)
OKLCHoklch(50.3% 0.099 111.6)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #66691A 5.83:1 AA Lc -84.3 Fine for body text
Black text on #66691A 3.60:1 AA large text Lc 25.0 Dividers and decoration only
#66691A text on white 5.83:1 AA Lc 79.1 Fine for body text
#66691A text on black 3.60:1 AA large text Lc -22.7 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F5F6F1

    oklch(97.1% 0.007 115.7)

  2. Step 100

    100

    #EAEBE1

    oklch(93.7% 0.013 111.3)

  3. Step 200

    200

    #D9DBC7

    oklch(88.4% 0.027 111.6)

  4. Step 300

    300

    #C1C4A1

    oklch(80.9% 0.048 111.4)

  5. Step 400

    400

    #A2A66D

    oklch(70.8% 0.077 111.6)

  6. Step 500

    500

    #8B8F45

    oklch(63% 0.098 111.7)

  7. Step 600

    600

    #757924

    oklch(55.6% 0.106 112)

  8. Step 700

    700 (this color)

    #66691A

    oklch(50.3% 0.099 111.6)

  9. Step 800

    800

    #515315

    oklch(42.7% 0.082 111.2)

  10. Step 900

    900

    #434519

    oklch(37.8% 0.064 111.5)

  11. Step 950

    950

    #272810

    oklch(26.9% 0.04 110.9)

Export this scale for Tailwind in the Tailwind colors tool

#66691A with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#72640C0.022
Deuteranopia (no green cones)#7266200.023
Tritanopia (no blue cones)#6D625A0.089
Achromatopsia (no color)#6565650.099

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #66691A

    #66691A

    oklch(50.3% 0.099 111.6)

  • #655998

    #655998

    oklch(50.4% 0.099 291.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #66691A

    #66691A

    oklch(50.3% 0.099 111.6)

  • #805D0D

    #805D0D

    oklch(50.2% 0.099 81.6)

  • #41723B

    #41723B

    oklch(50.3% 0.099 141.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #66691A

    #66691A

    oklch(50.3% 0.099 111.6)

  • #44639C

    #44639C

    oklch(50.3% 0.098 261.8)

  • #7E5086

    #7E5086

    oklch(50.3% 0.099 321.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #66691A

    #66691A

    oklch(50.3% 0.099 111.6)

  • #0C6D92

    #0C6D92

    oklch(50.3% 0.099 231.5)

  • #8E4A6A

    #8E4A6A

    oklch(50.2% 0.1 351.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #66691A

    #66691A

    oklch(50.3% 0.099 111.6)

  • #007278

    #007278

    oklch(50.2% 0.085 201.2)

  • #655998

    #655998

    oklch(50.4% 0.099 291.2)

  • #944B4A

    #944B4A

    oklch(50.2% 0.098 22)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66691A, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #66691A in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.