#317828

Closest named color: Tree Green (#2A7E19). oklch(50.9% 0.135 141.5), rgb(49, 120, 40).

Aa

White text reads best on this color (5.45:1).

About this color

#317828 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.135 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.025 away. White text reads best on it, at 5.45:1.

Hue familyGreens
Lightnessmedium-dark (51%)
Chromamoderately saturated (0.135)
Temperaturein between
Nearest nameTree Green (#2A7E19)
Black text3.84:1
White text5.45:1

Values

HEX#317828
RGBrgb(49, 120, 40)
HSLhsl(113, 50%, 31%)
OKLCHoklch(50.9% 0.135 141.5)

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 #317828 5.45:1 AA Lc -82.2 Fine for body text
Black text on #317828 3.84:1 AA large text Lc 27.1 Dividers and decoration only
#317828 text on white 5.45:1 AA Lc 76.9 Fine for body text
#317828 text on black 3.84:1 AA large text Lc -24.8 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

    #F2F7F2

    oklch(97.1% 0.008 145.5)

  2. Step 100

    100

    #E3EDE2

    oklch(93.6% 0.018 142.8)

  3. Step 200

    200

    #CCE0C9

    oklch(88.5% 0.038 141.6)

  4. Step 300

    300

    #AACCA5

    oklch(81% 0.065 141.5)

  5. Step 400

    400

    #7BB173

    oklch(70.7% 0.105 141.3)

  6. Step 500

    500

    #579D4E

    oklch(63.1% 0.133 141.5)

  7. Step 600

    600

    #3A8730

    oklch(55.5% 0.144 141.4)

  8. Step 700

    700 (this color)

    #317828

    oklch(50.9% 0.135 141.5)

  9. Step 800

    800

    #255D1E

    oklch(42.6% 0.112 141.5)

  10. Step 900

    900

    #244D1F

    oklch(37.8% 0.087 141.6)

  11. Step 950

    950

    #162D13

    oklch(27% 0.055 141.5)

Export this scale for Tailwind in the Tailwind colors tool

#317828 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)#7B6D1E0.094
Deuteranopia (no green cones)#72672F0.095
Tritanopia (no blue cones)#2774670.088
Achromatopsia (no color)#6969690.135

Harmonies

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

Complementary

The opposite hue (180°).

  • #317828

    #317828

    oklch(50.9% 0.135 141.5)

  • #884894

    #884894

    oklch(51% 0.135 321.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #317828

    #317828

    oklch(50.9% 0.135 141.5)

  • #696B00

    #696B00

    oklch(50.9% 0.112 111.1)

  • #00785F

    #00785F

    oklch(51% 0.099 171.6)

Open the analogous palette in the generator

Split complementary

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

  • #317828

    #317828

    oklch(50.9% 0.135 141.5)

  • #6854AC

    #6854AC

    oklch(50.9% 0.135 291.3)

  • #9D3F6F

    #9D3F6F

    oklch(50.9% 0.136 351.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #317828

    #317828

    oklch(50.9% 0.135 141.5)

  • #3863B2

    #3863B2

    oklch(51% 0.134 261.4)

  • #A53F42

    #A53F42

    oklch(50.9% 0.135 21.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #317828

    #317828

    oklch(50.9% 0.135 141.5)

  • #006F96

    #006F96

    oklch(50.8% 0.103 231.6)

  • #884894

    #884894

    oklch(51% 0.135 321.1)

  • #9F4B00

    #9F4B00

    oklch(51% 0.132 51.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #317828, closest first.

Similar named colors

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

Use #317828 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.