#666455

Closest named color: Dim Gray (#696969). oklch(50.1% 0.023 100.9), rgb(102, 100, 85).

Aa

White text reads best on this color (5.96:1).

About this color

#666455 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.031 away. White text reads best on it, at 5.96:1.

Hue familyNeutrals
Lightnessmedium-dark (50%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameDim Gray (#696969)
Black text3.51:1
White text5.96:1

Values

HEX#666455
RGBrgb(102, 100, 85)
HSLhsl(53, 9%, 37%)
OKLCHoklch(50.1% 0.023 100.9)

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 #666455 5.96:1 AA Lc -85.1 Fine for body text
Black text on #666455 3.51:1 AA large text Lc 24.2 Dividers and decoration only
#666455 text on white 5.96:1 AA Lc 79.9 Fine for body text
#666455 text on black 3.51:1 AA large text Lc -22.0 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

    #F5F5F4

    oklch(97% 0.001 106.4)

  2. Step 100

    100

    #EAEAE7

    oklch(93.6% 0.004 106.5)

  3. Step 200

    200

    #DAD9D5

    oklch(88.5% 0.006 95.1)

  4. Step 300

    300

    #C2C1B9

    oklch(80.9% 0.011 100.9)

  5. Step 400

    400

    #A3A195

    oklch(70.7% 0.017 99.1)

  6. Step 500

    500

    #8C8A7A

    oklch(63.1% 0.023 101.2)

  7. Step 600

    600

    #767463

    oklch(55.6% 0.026 101.7)

  8. Step 700

    700 (this color)

    #666455

    oklch(50.1% 0.023 100.9)

  9. Step 800

    800

    #514F44

    oklch(42.6% 0.018 98.6)

  10. Step 900

    900

    #434239

    oklch(37.7% 0.015 101.9)

  11. Step 950

    950

    #272721

    oklch(27.1% 0.011 107.1)

Export this scale for Tailwind in the Tailwind colors tool

#666455 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)#6763540.003
Deuteranopia (no green cones)#6864550.003
Tritanopia (no blue cones)#6962600.021
Achromatopsia (no color)#6363630.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #666455

    #666455

    oklch(50.1% 0.023 100.9)

  • #616271

    #616271

    oklch(50.1% 0.024 282.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #666455

    #666455

    oklch(50.1% 0.023 100.9)

  • #6C6155

    #6C6155

    oklch(49.9% 0.023 69.7)

  • #5F6659

    #5F6659

    oklch(50% 0.022 130.4)

Open the analogous palette in the generator

Split complementary

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

  • #666455

    #666455

    oklch(50.1% 0.023 100.9)

  • #5A6571

    #5A6571

    oklch(50.2% 0.023 250.6)

  • #68606D

    #68606D

    oklch(50.1% 0.023 312.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #666455

    #666455

    oklch(50.1% 0.023 100.9)

  • #55676D

    #55676D

    oklch(50.1% 0.024 220)

  • #6D5E67

    #6D5E67

    oklch(49.9% 0.024 341.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #666455

    #666455

    oklch(50.1% 0.023 100.9)

  • #556866

    #556866

    oklch(50.1% 0.023 188.6)

  • #616271

    #616271

    oklch(50.1% 0.024 282.5)

  • #705E60

    #705E60

    oklch(50% 0.024 10.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #666455, closest first.

Similar named colors

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

Use #666455 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.