#3F7240

Closest named color: Dark Olive Green (#556B2F). oklch(50.3% 0.095 144.4), rgb(63, 114, 64).

Aa

White text reads best on this color (5.68:1).

About this color

#3F7240 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.095 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.031 away. White text reads best on it, at 5.68:1.

Hue familyGreens
Lightnessmedium-dark (50%)
Chromamoderately saturated (0.095)
Temperaturein between
Nearest nameDark Olive Green (#556B2F)
Black text3.69:1
White text5.68:1

Values

HEX#3F7240
RGBrgb(63, 114, 64)
HSLhsl(121, 29%, 35%)
OKLCHoklch(50.3% 0.095 144.4)

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 #3F7240 5.68:1 AA Lc -83.6 Fine for body text
Black text on #3F7240 3.69:1 AA large text Lc 25.8 Dividers and decoration only
#3F7240 text on white 5.68:1 AA Lc 78.3 Fine for body text
#3F7240 text on black 3.69:1 AA large text Lc -23.5 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

    #F3F7F3

    oklch(97.2% 0.007 145.5)

  2. Step 100

    100

    #E5ECE4

    oklch(93.6% 0.013 141.8)

  3. Step 200

    200

    #CFDECF

    oklch(88.5% 0.026 145.4)

  4. Step 300

    300

    #AFC9AE

    oklch(80.9% 0.047 144.1)

  5. Step 400

    400

    #85AD84

    oklch(70.7% 0.073 144.1)

  6. Step 500

    500

    #659965

    oklch(63.2% 0.095 144.4)

  7. Step 600

    600

    #4B834C

    oklch(55.7% 0.102 144.4)

  8. Step 700

    700 (this color)

    #3F7240

    oklch(50.3% 0.095 144.4)

  9. Step 800

    800

    #325A32

    oklch(42.7% 0.079 144)

  10. Step 900

    900

    #2C4A2C

    oklch(37.7% 0.062 144.2)

  11. Step 950

    950

    #1A2B1A

    oklch(26.8% 0.038 144.4)

Export this scale for Tailwind in the Tailwind colors tool

#3F7240 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)#746A3C0.072
Deuteranopia (no green cones)#6C65430.071
Tritanopia (no blue cones)#396F660.060
Achromatopsia (no color)#6767670.096

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F7240

    #3F7240

    oklch(50.3% 0.095 144.4)

  • #7F5082

    #7F5082

    oklch(50.3% 0.095 324.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F7240

    #3F7240

    oklch(50.3% 0.095 144.4)

  • #636A21

    #636A21

    oklch(50.3% 0.096 114.6)

  • #017560

    #017560

    oklch(50.2% 0.095 174.4)

Open the analogous palette in the generator

Split complementary

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

  • #3F7240

    #3F7240

    oklch(50.3% 0.095 144.4)

  • #685895

    #685895

    oklch(50.3% 0.096 294.8)

  • #8E4B67

    #8E4B67

    oklch(50.2% 0.096 354.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F7240

    #3F7240

    oklch(50.3% 0.095 144.4)

  • #48629A

    #48629A

    oklch(50.2% 0.095 264.3)

  • #934C48

    #934C48

    oklch(50.2% 0.096 24.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F7240

    #3F7240

    oklch(50.3% 0.095 144.4)

  • #1C6C92

    #1C6C92

    oklch(50.3% 0.095 234.5)

  • #7F5082

    #7F5082

    oklch(50.3% 0.095 324.8)

  • #8D542A

    #8D542A

    oklch(50.3% 0.095 54.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F7240, closest first.

Similar named colors

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

Use #3F7240 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.