#28400F

Closest named color: Dark Olive (#373E02). oklch(34% 0.079 131.9), rgb(40, 64, 15).

Aa

White text reads best on this color (11.47:1).

About this color

#28400F is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.079 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 11.47:1.

Hue familyGreens
Lightnessdark (34%)
Chromamoderately saturated (0.079)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text1.83:1
White text11.47:1

Values

HEX#28400F
RGBrgb(40, 64, 15)
HSLhsl(89, 62%, 15%)
OKLCHoklch(34% 0.079 131.9)

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 #28400F 11.47:1 AAA Lc -100.0 Preferred for body text
Black text on #28400F 1.83:1 Fails Lc 7.6 Not readable
#28400F text on white 11.47:1 AAA Lc 96.3 Preferred for body text
#28400F text on black 1.83:1 Fails Lc 0.0 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

    #F3F7F1

    oklch(97.1% 0.009 134.9)

  2. Step 100

    100

    #E6ECE1

    oklch(93.5% 0.016 130.4)

  3. Step 200

    200

    #D1DEC8

    oklch(88.5% 0.033 132.3)

  4. Step 300

    300

    #B3C9A2

    oklch(80.9% 0.059 131.7)

  5. Step 400

    400

    #8BAD6E

    oklch(70.7% 0.095 131.5)

  6. Step 500

    500

    #6E9846

    oklch(63% 0.121 131.5)

  7. Step 600

    600

    #558325

    oklch(55.7% 0.133 132)

  8. Step 700

    700

    #456E17

    oklch(49% 0.123 132)

  9. Step 800

    800

    #395A17

    oklch(42.7% 0.102 132.1)

  10. Step 900

    900 (this color)

    #28400F

    oklch(34% 0.079 131.9)

  11. Step 950

    950

    #1D2B10

    oklch(26.9% 0.05 131.6)

Export this scale for Tailwind in the Tailwind colors tool

#28400F 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)#433B080.043
Deuteranopia (no green cones)#4039130.045
Tritanopia (no blue cones)#293D360.060
Achromatopsia (no color)#3939390.079

Harmonies

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

Complementary

The opposite hue (180°).

  • #28400F

    #28400F

    oklch(34% 0.079 131.9)

  • #452A55

    #452A55

    oklch(33.8% 0.079 311.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28400F

    #28400F

    oklch(34% 0.079 131.9)

  • #403900

    #403900

    oklch(34.1% 0.071 101.7)

  • #00432C

    #00432C

    oklch(33.9% 0.074 162.6)

Open the analogous palette in the generator

Split complementary

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

  • #28400F

    #28400F

    oklch(34% 0.079 131.9)

  • #32315F

    #32315F

    oklch(33.9% 0.079 282.3)

  • #532543

    #532543

    oklch(34% 0.08 342.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28400F

    #28400F

    oklch(34% 0.079 131.9)

  • #14395F

    #14395F

    oklch(33.9% 0.079 251.8)

  • #59242D

    #59242D

    oklch(33.9% 0.079 11.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28400F

    #28400F

    oklch(34% 0.079 131.9)

  • #003F4F

    #003F4F

    oklch(34.1% 0.063 221.5)

  • #452A55

    #452A55

    oklch(33.8% 0.079 311.8)

  • #592813

    #592813

    oklch(34.1% 0.079 42.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28400F, closest first.

Similar named colors

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

Use #28400F 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.