#28531A

Closest named color: Navy Green (#35530A). oklch(39.7% 0.099 138.9), rgb(40, 83, 26).

Aa

White text reads best on this color (8.96:1).

About this color

#28531A is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.099 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.017 away. White text reads best on it, at 8.96:1.

Hue familyGreens
Lightnessdark (40%)
Chromamoderately saturated (0.099)
Temperaturein between
Nearest nameNavy Green (#35530A)
Black text2.34:1
White text8.96:1

Values

HEX#28531A
RGBrgb(40, 83, 26)
HSLhsl(105, 52%, 21%)
OKLCHoklch(39.7% 0.099 138.9)

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 #28531A 8.96:1 AAA Lc -94.8 Preferred for body text
Black text on #28531A 2.34:1 Fails Lc 13.6 Not readable
#28531A text on white 8.96:1 AAA Lc 90.4 Preferred for body text
#28531A text on black 2.34:1 Fails Lc -11.9 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 900.

  1. Step 50

    50

    #F2F7F1

    oklch(97.1% 0.01 140.5)

  2. Step 100

    100

    #E3EEE0

    oklch(93.7% 0.022 139)

  3. Step 200

    200

    #CCE0C6

    oklch(88.5% 0.041 138.5)

  4. Step 300

    300

    #A9CD9F

    oklch(81% 0.074 138.9)

  5. Step 400

    400

    #79B269

    oklch(70.6% 0.118 139)

  6. Step 500

    500

    #559E3D

    oklch(63% 0.151 138.7)

  7. Step 600

    600

    #378815

    oklch(55.5% 0.164 138.8)

  8. Step 700

    700

    #287402

    oklch(49.2% 0.154 139)

  9. Step 800

    800

    #235E0B

    oklch(42.6% 0.127 139)

  10. Step 900

    900 (this color)

    #28531A

    oklch(39.7% 0.099 138.9)

  11. Step 950

    950

    #152D0D

    oklch(26.9% 0.062 138.6)

Export this scale for Tailwind in the Tailwind colors tool

#28531A 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)#564C130.066
Deuteranopia (no green cones)#50481F0.066
Tritanopia (no blue cones)#2550470.068
Achromatopsia (no color)#4949490.099

Harmonies

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

Complementary

The opposite hue (180°).

  • #28531A

    #28531A

    oklch(39.7% 0.099 138.9)

  • #5D3368

    #5D3368

    oklch(39.7% 0.099 319)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28531A

    #28531A

    oklch(39.7% 0.099 138.9)

  • #4B4A00

    #4B4A00

    oklch(39.7% 0.086 108.9)

  • #00543F

    #00543F

    oklch(39.6% 0.08 168.8)

Open the analogous palette in the generator

Split complementary

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

  • #28531A

    #28531A

    oklch(39.7% 0.099 138.9)

  • #463C78

    #463C78

    oklch(39.7% 0.099 288.8)

  • #6C2D4F

    #6C2D4F

    oklch(39.6% 0.099 349)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28531A

    #28531A

    oklch(39.7% 0.099 138.9)

  • #23467B

    #23467B

    oklch(39.7% 0.099 258.5)

  • #732D31

    #732D31

    oklch(39.8% 0.099 19.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28531A

    #28531A

    oklch(39.7% 0.099 138.9)

  • #004E68

    #004E68

    oklch(39.6% 0.078 229)

  • #5D3368

    #5D3368

    oklch(39.7% 0.099 319)

  • #70330B

    #70330B

    oklch(39.7% 0.099 48.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28531A, closest first.

Similar named colors

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

Use #28531A 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.