#63643F

Closest named color: Dark Moss Green (#606C38). oklch(49.3% 0.055 109.6), rgb(99, 100, 63).

Aa

White text reads best on this color (6.13:1).

About this color

#63643F is a medium-dark, muted brown. In OKLCH its lightness is 49%, its chroma 0.055 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.029 away. White text reads best on it, at 6.13:1.

Hue familyBrowns
Lightnessmedium-dark (49%)
Chromamuted (0.055)
Temperaturewarm
Nearest nameDark Moss Green (#606C38)
Black text3.42:1
White text6.13:1

Values

HEX#63643F
RGBrgb(99, 100, 63)
HSLhsl(62, 23%, 32%)
OKLCHoklch(49.3% 0.055 109.6)

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 #63643F 6.13:1 AA Lc -85.8 Fine for body text
Black text on #63643F 3.42:1 AA large text Lc 23.5 Dividers and decoration only
#63643F text on white 6.13:1 AA Lc 80.6 Fine for body text
#63643F text on black 3.42:1 AA large text Lc -21.2 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

    #F5F6F3

    oklch(97.2% 0.004 121.6)

  2. Step 100

    100

    #EAEAE5

    oklch(93.6% 0.007 106.5)

  3. Step 200

    200

    #D9DACF

    oklch(88.5% 0.015 110.9)

  4. Step 300

    300

    #C1C2AF

    oklch(80.8% 0.026 109.4)

  5. Step 400

    400

    #A2A385

    oklch(70.7% 0.042 109)

  6. Step 500

    500

    #8B8D67

    oklch(63.2% 0.054 110.4)

  7. Step 600

    600

    #75774E

    oklch(55.7% 0.059 110.5)

  8. Step 700

    700 (this color)

    #63643F

    oklch(49.3% 0.055 109.6)

  9. Step 800

    800

    #505134

    oklch(42.6% 0.045 109.8)

  10. Step 900

    900

    #43432D

    oklch(37.6% 0.035 108)

  11. Step 950

    950

    #27271B

    oklch(26.9% 0.021 107.7)

Export this scale for Tailwind in the Tailwind colors tool

#63643F 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)#6A613C0.013
Deuteranopia (no green cones)#6A62410.013
Tritanopia (no blue cones)#68605B0.049
Achromatopsia (no color)#6262620.055

Harmonies

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

Complementary

The opposite hue (180°).

  • #63643F

    #63643F

    oklch(49.3% 0.055 109.6)

  • #605C7F

    #605C7F

    oklch(49.2% 0.056 289.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63643F

    #63643F

    oklch(49.3% 0.055 109.6)

  • #725E3D

    #725E3D

    oklch(49.3% 0.055 79.5)

  • #51694B

    #51694B

    oklch(49.3% 0.055 139.4)

Open the analogous palette in the generator

Split complementary

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

  • #63643F

    #63643F

    oklch(49.3% 0.055 109.6)

  • #4F6281

    #4F6281

    oklch(49.3% 0.055 260)

  • #6F5775

    #6F5775

    oklch(49.2% 0.055 319.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63643F

    #63643F

    oklch(49.3% 0.055 109.6)

  • #3F677A

    #3F677A

    oklch(49.2% 0.054 229.8)

  • #795466

    #795466

    oklch(49.2% 0.055 348.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63643F

    #63643F

    oklch(49.3% 0.055 109.6)

  • #386B6D

    #386B6D

    oklch(49.3% 0.055 198.8)

  • #605C7F

    #605C7F

    oklch(49.2% 0.056 289.4)

  • #7D5554

    #7D5554

    oklch(49.3% 0.054 20.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63643F, closest first.

Similar named colors

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

Use #63643F 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.