#256F38

Closest named color: Dark Olive Green (#556B2F). oklch(48.2% 0.113 148.7), rgb(37, 111, 56).

Aa

White text reads best on this color (6.15:1).

About this color

#256F38 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.113 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.048 away. White text reads best on it, at 6.15:1.

Hue familyGreens
Lightnessmedium-dark (48%)
Chromamoderately saturated (0.113)
Temperaturein between
Nearest nameDark Olive Green (#556B2F)
Black text3.40:1
White text6.15:1

Values

HEX#256F38
RGBrgb(37, 111, 56)
HSLhsl(135, 50%, 29%)
OKLCHoklch(48.2% 0.113 148.7)

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 #256F38 6.15:1 AA Lc -85.6 Fine for body text
Black text on #256F38 3.40:1 AA large text Lc 23.6 Dividers and decoration only
#256F38 text on white 6.15:1 AA Lc 80.4 Fine for body text
#256F38 text on black 3.40:1 AA large text Lc -21.4 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

    #F2F7F3

    oklch(97.1% 0.007 151.9)

  2. Step 100

    100

    #E3EDE4

    oklch(93.6% 0.016 148.4)

  3. Step 200

    200

    #CCDFCE

    oklch(88.5% 0.031 148.4)

  4. Step 300

    300

    #A9CBAE

    oklch(80.9% 0.054 149.2)

  5. Step 400

    400

    #7AB082

    oklch(70.7% 0.088 148.4)

  6. Step 500

    500

    #559C63

    oklch(63.1% 0.112 148.8)

  7. Step 600

    600

    #378649

    oklch(55.5% 0.121 148.6)

  8. Step 700

    700 (this color)

    #256F38

    oklch(48.2% 0.113 148.7)

  9. Step 800

    800

    #235D31

    oklch(42.8% 0.094 148.9)

  10. Step 900

    900

    #224C2B

    oklch(37.7% 0.073 148.8)

  11. Step 950

    950

    #152D1A

    oklch(27.1% 0.046 149.2)

Export this scale for Tailwind in the Tailwind colors tool

#256F38 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)#7065340.092
Deuteranopia (no green cones)#675F3C0.091
Tritanopia (no blue cones)#0D6D620.064
Achromatopsia (no color)#6161610.113

Harmonies

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

Complementary

The opposite hue (180°).

  • #256F38

    #256F38

    oklch(48.2% 0.113 148.7)

  • #80447D

    #80447D

    oklch(48.1% 0.113 329)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #256F38

    #256F38

    oklch(48.2% 0.113 148.7)

  • #586600

    #586600

    oklch(48.1% 0.113 118.7)

  • #006E5F

    #006E5F

    oklch(48.2% 0.088 179)

Open the analogous palette in the generator

Split complementary

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

  • #256F38

    #256F38

    oklch(48.2% 0.113 148.7)

  • #674E95

    #674E95

    oklch(48.3% 0.113 298.3)

  • #8F3F5D

    #8F3F5D

    oklch(48.2% 0.113 358.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #256F38

    #256F38

    oklch(48.2% 0.113 148.7)

  • #44599E

    #44599E

    oklch(48.2% 0.114 269.1)

  • #934138

    #934138

    oklch(48.1% 0.113 28.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #256F38

    #256F38

    oklch(48.2% 0.113 148.7)

  • #006594

    #006594

    oklch(48.2% 0.108 238.8)

  • #80447D

    #80447D

    oklch(48.1% 0.113 329)

  • #8C4B03

    #8C4B03

    oklch(48.2% 0.113 58.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #256F38, closest first.

Similar named colors

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

Use #256F38 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.