#287303

Closest named color: Tree Green (#2A7E19). oklch(48.9% 0.152 138.9), rgb(40, 115, 3).

Aa

White text reads best on this color (5.92:1).

About this color

#287303 is a medium-dark, vivid green. In OKLCH its lightness is 49%, its chroma 0.152 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.034 away. White text reads best on it, at 5.92:1.

Hue familyGreens
Lightnessmedium-dark (49%)
Chromavivid (0.152)
Temperaturein between
Nearest nameTree Green (#2A7E19)
Black text3.54:1
White text5.92:1

Values

HEX#287303
RGBrgb(40, 115, 3)
HSLhsl(100, 95%, 23%)
OKLCHoklch(48.9% 0.152 138.9)

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 #287303 5.92:1 AA Lc -84.4 Fine for body text
Black text on #287303 3.54:1 AA large text Lc 24.9 Dividers and decoration only
#287303 text on white 5.92:1 AA Lc 79.2 Fine for body text
#287303 text on black 3.54:1 AA large text Lc -22.6 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

    #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

    #559E3E

    oklch(63% 0.151 138.9)

  7. Step 600

    600

    #378816

    oklch(55.5% 0.164 138.9)

  8. Step 700

    700 (this color)

    #287303

    oklch(48.9% 0.152 138.9)

  9. Step 800

    800

    #235E0C

    oklch(42.6% 0.126 139.1)

  10. Step 900

    900

    #224D14

    oklch(37.6% 0.099 139)

  11. Step 950

    950

    #152D0E

    oklch(26.9% 0.061 139.1)

Export this scale for Tailwind in the Tailwind colors tool

#287303 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)#7768000.101
Deuteranopia (no green cones)#6E62160.099
Tritanopia (no blue cones)#1E6F610.105
Achromatopsia (no color)#6464640.153

Harmonies

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

Complementary

The opposite hue (180°).

  • #287303

    #287303

    oklch(48.9% 0.152 138.9)

  • #843D96

    #843D96

    oklch(49% 0.153 319.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #287303

    #287303

    oklch(48.9% 0.152 138.9)

  • #656400

    #656400

    oklch(48.8% 0.106 109.1)

  • #007256

    #007256

    oklch(49% 0.099 168.4)

Open the analogous palette in the generator

Split complementary

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

  • #287303

    #287303

    oklch(48.9% 0.152 138.9)

  • #604CAF

    #604CAF

    oklch(48.9% 0.151 288.8)

  • #9B326E

    #9B326E

    oklch(49% 0.153 348.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #287303

    #287303

    oklch(48.9% 0.152 138.9)

  • #225CB5

    #225CB5

    oklch(48.8% 0.154 259.1)

  • #A5303C

    #A5303C

    oklch(49% 0.152 19.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #287303

    #287303

    oklch(48.9% 0.152 138.9)

  • #006A8B

    #006A8B

    oklch(49% 0.096 228.3)

  • #843D96

    #843D96

    oklch(49% 0.153 319.1)

  • #994400

    #994400

    oklch(49% 0.131 49)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #287303, closest first.

No curated palette has a color within ΔE 0.04 of #287303.

Similar named colors

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

Use #287303 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.