#397557

Closest named color: Dark Aquamarine (#017371). oklch(51.3% 0.08 160), rgb(57, 117, 87).

Aa

White text reads best on this color (5.44:1).

About this color

#397557 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.080 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.048 away. White text reads best on it, at 5.44:1.

Hue familyGreens
Lightnessmedium-dark (51%)
Chromamoderately saturated (0.080)
Temperaturein between
Nearest nameDark Aquamarine (#017371)
Black text3.85:1
White text5.44:1

Values

HEX#397557
RGBrgb(57, 117, 87)
HSLhsl(150, 34%, 34%)
OKLCHoklch(51.3% 0.08 160)

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 #397557 5.44:1 AA Lc -82.3 Fine for body text
Black text on #397557 3.85:1 AA large text Lc 27.1 Dividers and decoration only
#397557 text on white 5.44:1 AA Lc 77.0 Fine for body text
#397557 text on black 3.85:1 AA large text Lc -24.7 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

    #F3F6F4

    oklch(97% 0.004 157.2)

  2. Step 100

    100

    #E4ECE7

    oklch(93.6% 0.011 158.8)

  3. Step 200

    200

    #CEDED4

    oklch(88.6% 0.022 158.5)

  4. Step 300

    300

    #ACC9B8

    oklch(81% 0.039 159.7)

  5. Step 400

    400

    #7FAD93

    oklch(70.7% 0.062 159.5)

  6. Step 500

    500

    #5D9879

    oklch(63% 0.078 160.1)

  7. Step 600

    600

    #418362

    oklch(55.7% 0.086 160)

  8. Step 700

    700 (this color)

    #397557

    oklch(51.3% 0.08 160)

  9. Step 800

    800

    #2B5A42

    oklch(42.7% 0.066 159.5)

  10. Step 900

    900

    #274A38

    oklch(37.7% 0.052 160.1)

  11. Step 950

    950

    #182B21

    oklch(26.9% 0.031 160.3)

Export this scale for Tailwind in the Tailwind colors tool

#397557 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)#746D550.076
Deuteranopia (no green cones)#6B67590.073
Tritanopia (no blue cones)#27756D0.035
Achromatopsia (no color)#6A6A6A0.080

Harmonies

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

Complementary

The opposite hue (180°).

  • #397557

    #397557

    oklch(51.3% 0.08 160)

  • #865475

    #865475

    oklch(51.3% 0.081 340.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #397557

    #397557

    oklch(51.3% 0.08 160)

  • #58703E

    #58703E

    oklch(51.3% 0.079 129.7)

  • #1E7571

    #1E7571

    oklch(51.2% 0.079 190.4)

Open the analogous palette in the generator

Split complementary

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

  • #397557

    #397557

    oklch(51.3% 0.08 160)

  • #755A89

    #755A89

    oklch(51.3% 0.079 310.1)

  • #8E535C

    #8E535C

    oklch(51.3% 0.079 10.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #397557

    #397557

    oklch(51.3% 0.08 160)

  • #5E6294

    #5E6294

    oklch(51.4% 0.079 279.7)

  • #8E5743

    #8E5743

    oklch(51.4% 0.08 40.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #397557

    #397557

    oklch(51.3% 0.08 160)

  • #426A93

    #426A93

    oklch(51.3% 0.08 250.2)

  • #865475

    #865475

    oklch(51.3% 0.081 340.5)

  • #845E30

    #845E30

    oklch(51.2% 0.08 69.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #397557, closest first.

Similar named colors

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

Use #397557 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.