#615B17

Closest named color: Olive Brown (#645403). oklch(46.3% 0.087 104.2), rgb(97, 91, 23).

Aa

White text reads best on this color (6.96:1).

About this color

#615B17 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.087 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.020 away. White text reads best on it, at 6.96:1.

Hue familyBrowns
Lightnessmedium-dark (46%)
Chromamoderately saturated (0.087)
Temperaturewarm
Nearest nameOlive Brown (#645403)
Black text3.01:1
White text6.96:1

Values

HEX#615B17
RGBrgb(97, 91, 23)
HSLhsl(55, 62%, 24%)
OKLCHoklch(46.3% 0.087 104.2)

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 #615B17 6.96:1 AA Lc -89.0 Fine for body text
Black text on #615B17 3.01:1 AA large text Lc 20.0 Dividers and decoration only
#615B17 text on white 6.96:1 AA Lc 84.0 Fine for body text
#615B17 text on black 3.01:1 AA large text Lc -18.0 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

    #F6F6F1

    oklch(97.2% 0.007 106.5)

  2. Step 100

    100

    #EBEAE1

    oklch(93.5% 0.012 101.5)

  3. Step 200

    200

    #DBDAC9

    oklch(88.5% 0.023 104.1)

  4. Step 300

    300

    #C4C2A4

    oklch(80.8% 0.041 104.1)

  5. Step 400

    400

    #A7A372

    oklch(70.7% 0.067 104)

  6. Step 500

    500

    #928C4C

    oklch(63.1% 0.086 103.8)

  7. Step 600

    600

    #7C762E

    oklch(55.6% 0.093 104.5)

  8. Step 700

    700 (this color)

    #615B17

    oklch(46.3% 0.087 104.2)

  9. Step 800

    800

    #55511D

    oklch(42.7% 0.072 104.9)

  10. Step 900

    900

    #46431E

    oklch(37.7% 0.055 104.6)

  11. Step 950

    950

    #292712

    oklch(26.9% 0.035 103.7)

Export this scale for Tailwind in the Tailwind colors tool

#615B17 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)#64580C0.009
Deuteranopia (no green cones)#665B1C0.010
Tritanopia (no blue cones)#69544E0.080
Achromatopsia (no color)#5959590.087

Harmonies

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

Complementary

The opposite hue (180°).

  • #615B17

    #615B17

    oklch(46.3% 0.087 104.2)

  • #545187

    #545187

    oklch(46.2% 0.087 285)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #615B17

    #615B17

    oklch(46.3% 0.087 104.2)

  • #755117

    #755117

    oklch(46.3% 0.086 74.8)

  • #44632F

    #44632F

    oklch(46.2% 0.086 134)

Open the analogous palette in the generator

Split complementary

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

  • #615B17

    #615B17

    oklch(46.3% 0.087 104.2)

  • #355B88

    #355B88

    oklch(46.4% 0.086 253.7)

  • #6B497B

    #6B497B

    oklch(46.3% 0.088 314.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #615B17

    #615B17

    oklch(46.3% 0.087 104.2)

  • #02637D

    #02637D

    oklch(46.4% 0.087 224)

  • #7A4465

    #7A4465

    oklch(46.3% 0.086 343.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #615B17

    #615B17

    oklch(46.3% 0.087 104.2)

  • #006666

    #006666

    oklch(46.2% 0.079 194.8)

  • #545187

    #545187

    oklch(46.2% 0.087 285)

  • #82434A

    #82434A

    oklch(46.3% 0.087 14)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #615B17, closest first.

Similar named colors

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

Use #615B17 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.