#287C00

Closest named color: Tree Green (#2A7E19). oklch(51.5% 0.164 139.3), rgb(40, 124, 0).

Aa

White text reads best on this color (5.28:1).

About this color

#287C00 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.164 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 0.011 away. White text reads best on it, at 5.28:1.

Hue familyGreens
Lightnessmedium-dark (52%)
Chromavivid (0.164)
Temperaturein between
Nearest nameTree Green (#2A7E19)
Black text3.97:1
White text5.28:1

Values

HEX#287C00
RGBrgb(40, 124, 0)
HSLhsl(101, 100%, 24%)
OKLCHoklch(51.5% 0.164 139.3)

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 #287C00 5.28:1 AA Lc -81.1 Fine for body text
Black text on #287C00 3.97:1 AA large text Lc 28.3 Dividers and decoration only
#287C00 text on white 5.28:1 AA Lc 75.8 Fine for body text
#287C00 text on black 3.97:1 AA large text Lc -25.9 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

    #E2EEDF

    oklch(93.6% 0.024 139.4)

  3. Step 200

    200

    #CBE1C5

    oklch(88.6% 0.044 139)

  4. Step 300

    300

    #A7CE9D

    oklch(81% 0.079 139.3)

  5. Step 400

    400

    #75B365

    oklch(70.6% 0.126 139.4)

  6. Step 500

    500

    #4FA037

    oklch(63.2% 0.162 139.3)

  7. Step 600

    600

    #2E8A02

    oklch(55.7% 0.176 139.3)

  8. Step 700

    700 (this color)

    #287C00

    oklch(51.5% 0.164 139.3)

  9. Step 800

    800

    #1D5F00

    oklch(42.7% 0.135 139.3)

  10. Step 900

    900

    #1E4E0F

    oklch(37.6% 0.106 139.4)

  11. Step 950

    950

    #132E0B

    oklch(27% 0.067 139.2)

Export this scale for Tailwind in the Tailwind colors tool

#287C00 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)#8070000.110
Deuteranopia (no green cones)#7669170.108
Tritanopia (no blue cones)#1B77680.112
Achromatopsia (no color)#6C6C6C0.164

Harmonies

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

Complementary

The opposite hue (180°).

  • #287C00

    #287C00

    oklch(51.5% 0.164 139.3)

  • #8E41A1

    #8E41A1

    oklch(51.5% 0.163 319.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #287C00

    #287C00

    oklch(51.5% 0.164 139.3)

  • #6D6C00

    #6D6C00

    oklch(51.5% 0.112 109.1)

  • #007A5E

    #007A5E

    oklch(51.5% 0.102 169.6)

Open the analogous palette in the generator

Split complementary

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

  • #287C00

    #287C00

    oklch(51.5% 0.164 139.3)

  • #6851BD

    #6851BD

    oklch(51.5% 0.163 289.2)

  • #A73476

    #A73476

    oklch(51.5% 0.164 349.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #287C00

    #287C00

    oklch(51.5% 0.164 139.3)

  • #2563C3

    #2563C3

    oklch(51.5% 0.163 259.2)

  • #B23240

    #B23240

    oklch(51.5% 0.164 19.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #287C00

    #287C00

    oklch(51.5% 0.164 139.3)

  • #007296

    #007296

    oklch(51.6% 0.102 228.9)

  • #8E41A1

    #8E41A1

    oklch(51.5% 0.163 319.3)

  • #A34A00

    #A34A00

    oklch(51.5% 0.137 49.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #287C00, closest first.

No curated palette has a color within ΔE 0.04 of #287C00.

Similar named colors

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

Use #287C00 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.