#256C4C

Closest named color: Dark Green Blue (#1F6357). oklch(47.8% 0.088 160.5), rgb(37, 108, 76).

Aa

White text reads best on this color (6.31:1).

About this color

#256C4C is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.088 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.039 away. White text reads best on it, at 6.31:1.

Hue familyGreens
Lightnessmedium-dark (48%)
Chromamoderately saturated (0.088)
Temperaturein between
Nearest nameDark Green Blue (#1F6357)
Black text3.32:1
White text6.31:1

Values

HEX#256C4C
RGBrgb(37, 108, 76)
HSLhsl(153, 49%, 28%)
OKLCHoklch(47.8% 0.088 160.5)

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 #256C4C 6.31:1 AA Lc -86.3 Fine for body text
Black text on #256C4C 3.32:1 AA large text Lc 22.9 Dividers and decoration only
#256C4C text on white 6.31:1 AA Lc 81.1 Fine for body text
#256C4C text on black 3.32:1 AA large text Lc -20.7 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

    #F2F7F4

    oklch(97.2% 0.007 160.1)

  2. Step 100

    100

    #E3ECE7

    oklch(93.5% 0.012 162)

  3. Step 200

    200

    #CCDED4

    oklch(88.4% 0.024 161.7)

  4. Step 300

    300

    #AACAB7

    oklch(81% 0.043 159.2)

  5. Step 400

    400

    #7BAE92

    oklch(70.7% 0.068 160)

  6. Step 500

    500

    #569A78

    oklch(63.1% 0.087 160.7)

  7. Step 600

    600

    #388460

    oklch(55.5% 0.095 160.3)

  8. Step 700

    700 (this color)

    #256C4C

    oklch(47.8% 0.088 160.5)

  9. Step 800

    800

    #245B41

    oklch(42.6% 0.073 160.3)

  10. Step 900

    900

    #234B37

    oklch(37.7% 0.057 160.1)

  11. Step 950

    950

    #152C20

    oklch(27% 0.037 159.8)

Export this scale for Tailwind in the Tailwind colors tool

#256C4C 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)#6B644A0.084
Deuteranopia (no green cones)#615D4E0.081
Tritanopia (no blue cones)#006C630.037
Achromatopsia (no color)#6060600.089

Harmonies

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

Complementary

The opposite hue (180°).

  • #256C4C

    #256C4C

    oklch(47.8% 0.088 160.5)

  • #7E486C

    #7E486C

    oklch(47.8% 0.088 340.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #256C4C

    #256C4C

    oklch(47.8% 0.088 160.5)

  • #4C672F

    #4C672F

    oklch(47.8% 0.088 130.4)

  • #006B68

    #006B68

    oklch(47.7% 0.082 191.4)

Open the analogous palette in the generator

Split complementary

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

  • #256C4C

    #256C4C

    oklch(47.8% 0.088 160.5)

  • #6D4E82

    #6D4E82

    oklch(47.8% 0.089 310.7)

  • #874651

    #874651

    oklch(47.7% 0.089 10.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #256C4C

    #256C4C

    oklch(47.8% 0.088 160.5)

  • #54568D

    #54568D

    oklch(47.6% 0.088 280.9)

  • #864A35

    #864A35

    oklch(47.6% 0.088 39.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #256C4C

    #256C4C

    oklch(47.8% 0.088 160.5)

  • #34608D

    #34608D

    oklch(47.9% 0.088 250.6)

  • #7E486C

    #7E486C

    oklch(47.8% 0.088 340.7)

  • #7C531C

    #7C531C

    oklch(47.7% 0.088 70.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #256C4C, closest first.

Similar named colors

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

Use #256C4C 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.