#40591F

Closest named color: Army Green (#4B5D16). oklch(43% 0.089 129.2), rgb(64, 89, 31).

Aa

White text reads best on this color (7.87:1).

About this color

#40591F is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.089 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.022 away. White text reads best on it, at 7.87:1.

Hue familyGreens
Lightnessdark (43%)
Chromamoderately saturated (0.089)
Temperaturein between
Nearest nameArmy Green (#4B5D16)
Black text2.66:1
White text7.87:1

Values

HEX#40591F
RGBrgb(64, 89, 31)
HSLhsl(86, 48%, 24%)
OKLCHoklch(43% 0.089 129.2)

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 #40591F 7.87:1 AAA Lc -91.9 Preferred for body text
Black text on #40591F 2.66:1 Fails Lc 16.8 Dividers and decoration only
#40591F text on white 7.87:1 AAA Lc 87.2 Fine for body text
#40591F text on black 2.66:1 Fails Lc -14.9 Not readable

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 800.

  1. Step 50

    50

    #F4F6F1

    oklch(97% 0.007 124.4)

  2. Step 100

    100

    #E7ECE1

    oklch(93.6% 0.016 126.8)

  3. Step 200

    200

    #D3DDC9

    oklch(88.4% 0.029 128.8)

  4. Step 300

    300

    #B6C8A4

    oklch(80.9% 0.053 129.2)

  5. Step 400

    400

    #90AB73

    oklch(70.6% 0.083 129.3)

  6. Step 500

    500

    #75964E

    oklch(63.1% 0.106 129.2)

  7. Step 600

    600

    #5D8030

    oklch(55.5% 0.116 129.5)

  8. Step 700

    700

    #4D6C22

    oklch(49.1% 0.108 129.2)

  9. Step 800

    800 (this color)

    #40591F

    oklch(43% 0.089 129.2)

  10. Step 900

    900

    #36491E

    oklch(37.8% 0.07 129.1)

  11. Step 950

    950

    #202B13

    oklch(27.2% 0.044 129.1)

Export this scale for Tailwind in the Tailwind colors tool

#40591F 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)#5D53180.045
Deuteranopia (no green cones)#5A51230.047
Tritanopia (no blue cones)#42554D0.070
Achromatopsia (no color)#5252520.090

Harmonies

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

Complementary

The opposite hue (180°).

  • #40591F

    #40591F

    oklch(43% 0.089 129.2)

  • #5E4175

    #5E4175

    oklch(43% 0.089 308.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #40591F

    #40591F

    oklch(43% 0.089 129.2)

  • #5C5000

    #5C5000

    oklch(43% 0.089 99.3)

  • #145E3E

    #145E3E

    oklch(42.9% 0.089 159.7)

Open the analogous palette in the generator

Split complementary

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

  • #40591F

    #40591F

    oklch(43% 0.089 129.2)

  • #464980

    #464980

    oklch(42.9% 0.09 279.5)

  • #6F3B60

    #6F3B60

    oklch(43% 0.089 338.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #40591F

    #40591F

    oklch(43% 0.089 129.2)

  • #23537E

    #23537E

    oklch(43.1% 0.088 248.4)

  • #783945

    #783945

    oklch(43% 0.089 9.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #40591F

    #40591F

    oklch(43% 0.089 129.2)

  • #00596D

    #00596D

    oklch(42.9% 0.078 220)

  • #5E4175

    #5E4175

    oklch(43% 0.089 308.8)

  • #783D28

    #783D28

    oklch(43% 0.089 40)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #40591F, closest first.

Similar named colors

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

Use #40591F 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.