#397550

Closest named color: Dark Olive Green (#556B2F). oklch(51.1% 0.087 154.8), rgb(57, 117, 80).

Aa

White text reads best on this color (5.47:1).

About this color

#397550 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.087 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.046 away. White text reads best on it, at 5.47:1.

Hue familyGreens
Lightnessmedium-dark (51%)
Chromamoderately saturated (0.087)
Temperaturein between
Nearest nameDark Olive Green (#556B2F)
Black text3.83:1
White text5.47:1

Values

HEX#397550
RGBrgb(57, 117, 80)
HSLhsl(143, 34%, 34%)
OKLCHoklch(51.1% 0.087 154.8)

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 #397550 5.47:1 AA Lc -82.5 Fine for body text
Black text on #397550 3.83:1 AA large text Lc 26.9 Dividers and decoration only
#397550 text on white 5.47:1 AA Lc 77.2 Fine for body text
#397550 text on black 3.83:1 AA large text Lc -24.6 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

    #F3F7F4

    oklch(97.2% 0.006 153.8)

  2. Step 100

    100

    #E4ECE6

    oklch(93.5% 0.012 153.7)

  3. Step 200

    200

    #CEDED2

    oklch(88.5% 0.024 153.4)

  4. Step 300

    300

    #ACC9B5

    oklch(80.9% 0.042 155.2)

  5. Step 400

    400

    #7FAD8E

    oklch(70.6% 0.067 154.9)

  6. Step 500

    500

    #5D9972

    oklch(63.1% 0.086 154.6)

  7. Step 600

    600

    #42835B

    oklch(55.5% 0.092 154.9)

  8. Step 700

    700 (this color)

    #397550

    oklch(51.1% 0.087 154.8)

  9. Step 800

    800

    #2B5A3D

    oklch(42.6% 0.071 154.8)

  10. Step 900

    900

    #284A34

    oklch(37.6% 0.055 154.4)

  11. Step 950

    950

    #182C1F

    oklch(27.1% 0.036 154.8)

Export this scale for Tailwind in the Tailwind colors tool

#397550 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)#756D4E0.078
Deuteranopia (no green cones)#6C67520.075
Tritanopia (no blue cones)#2A746B0.042
Achromatopsia (no color)#6969690.087

Harmonies

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

Complementary

The opposite hue (180°).

  • #397550

    #397550

    oklch(51.1% 0.087 154.8)

  • #85537A

    #85537A

    oklch(51.2% 0.086 335.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #397550

    #397550

    oklch(51.1% 0.087 154.8)

  • #5B6F35

    #5B6F35

    oklch(51.1% 0.086 125)

  • #10766D

    #10766D

    oklch(51.1% 0.086 185.3)

Open the analogous palette in the generator

Split complementary

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

  • #397550

    #397550

    oklch(51.1% 0.087 154.8)

  • #72598E

    #72598E

    oklch(51.1% 0.086 305.2)

  • #905060

    #905060

    oklch(51.1% 0.087 4.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #397550

    #397550

    oklch(51.1% 0.087 154.8)

  • #586298

    #586298

    oklch(51.1% 0.087 274.9)

  • #915344

    #915344

    oklch(51.1% 0.087 34.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #397550

    #397550

    oklch(51.1% 0.087 154.8)

  • #376B95

    #376B95

    oklch(51.1% 0.087 245.1)

  • #85537A

    #85537A

    oklch(51.2% 0.086 335.2)

  • #895B2C

    #895B2C

    oklch(51.2% 0.087 64.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #397550, closest first.

Similar named colors

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

Use #397550 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.