#555E18

Closest named color: Army Green (#4B5D16). oklch(45.9% 0.092 116.5), rgb(85, 94, 24).

Aa

White text reads best on this color (6.99:1).

About this color

#555E18 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.092 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.016 away. White text reads best on it, at 6.99:1.

Hue familyBrowns
Lightnessmedium-dark (46%)
Chromamoderately saturated (0.092)
Temperaturein between
Nearest nameArmy Green (#4B5D16)
Black text3.00:1
White text6.99:1

Values

HEX#555E18
RGBrgb(85, 94, 24)
HSLhsl(68, 59%, 23%)
OKLCHoklch(45.9% 0.092 116.5)

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 #555E18 6.99:1 AA Lc -89.1 Fine for body text
Black text on #555E18 3.00:1 AA large text Lc 19.9 Dividers and decoration only
#555E18 text on white 6.99:1 AA Lc 84.2 Fine for body text
#555E18 text on black 3.00:1 AA large text Lc -17.8 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

    #E9EBE1

    oklch(93.6% 0.013 115.8)

  3. Step 200

    200

    #D8DBC9

    oklch(88.4% 0.024 114.6)

  4. Step 300

    300

    #BEC5A4

    oklch(80.9% 0.046 117.2)

  5. Step 400

    400

    #9DA773

    oklch(70.7% 0.072 117.1)

  6. Step 500

    500

    #86914E

    oklch(63.2% 0.092 116.8)

  7. Step 600

    600

    #707A30

    oklch(55.5% 0.099 116.2)

  8. Step 700

    700 (this color)

    #555E18

    oklch(45.9% 0.092 116.5)

  9. Step 800

    800

    #4C541F

    oklch(42.6% 0.076 116.9)

  10. Step 900

    900

    #40461F

    oklch(37.9% 0.06 116.6)

  11. Step 950

    950

    #252913

    oklch(27% 0.038 117.4)

Export this scale for Tailwind in the Tailwind colors tool

#555E18 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)#65590D0.027
Deuteranopia (no green cones)#645A1D0.028
Tritanopia (no blue cones)#5B58500.081
Achromatopsia (no color)#5959590.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #555E18

    #555E18

    oklch(45.9% 0.092 116.5)

  • #5D4C85

    #5D4C85

    oklch(45.9% 0.092 296.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #555E18

    #555E18

    oklch(45.9% 0.092 116.5)

  • #6E5304

    #6E5304

    oklch(45.8% 0.092 86.3)

  • #316538

    #316538

    oklch(45.8% 0.091 146.8)

Open the analogous palette in the generator

Split complementary

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

  • #555E18

    #555E18

    oklch(45.9% 0.092 116.5)

  • #40558B

    #40558B

    oklch(45.8% 0.092 266.7)

  • #724473

    #724473

    oklch(45.9% 0.093 326.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #555E18

    #555E18

    oklch(45.9% 0.092 116.5)

  • #125F84

    #125F84

    oklch(46% 0.092 235.9)

  • #804059

    #804059

    oklch(46% 0.093 356.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #555E18

    #555E18

    oklch(45.9% 0.092 116.5)

  • #00646E

    #00646E

    oklch(46% 0.079 206.7)

  • #5D4C85

    #5D4C85

    oklch(45.9% 0.092 296.3)

  • #84413C

    #84413C

    oklch(45.9% 0.093 25.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #555E18, closest first.

Similar named colors

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

Use #555E18 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.