#407559

Closest named color: Dark Aquamarine (#017371). oklch(51.7% 0.073 159.3), rgb(64, 117, 89).

Aa

White text reads best on this color (5.37:1).

About this color

#407559 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.073 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.049 away. White text reads best on it, at 5.37:1.

Hue familyGreens
Lightnessmedium-dark (52%)
Chromamoderately saturated (0.073)
Temperaturein between
Nearest nameDark Aquamarine (#017371)
Black text3.90:1
White text5.37:1

Values

HEX#407559
RGBrgb(64, 117, 89)
HSLhsl(148, 29%, 35%)
OKLCHoklch(51.7% 0.073 159.3)

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 #407559 5.37:1 AA Lc -82.0 Fine for body text
Black text on #407559 3.90:1 AA large text Lc 27.4 Dividers and decoration only
#407559 text on white 5.37:1 AA Lc 76.7 Fine for body text
#407559 text on black 3.90:1 AA large text Lc -25.1 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

    #CFDDD4

    oklch(88.4% 0.019 157.8)

  4. Step 300

    300

    #AEC8B9

    oklch(80.9% 0.035 160.2)

  5. Step 400

    400

    #83AC94

    oklch(70.8% 0.057 158.9)

  6. Step 500

    500

    #62977A

    oklch(63.1% 0.072 159.5)

  7. Step 600

    600

    #478163

    oklch(55.5% 0.078 159.8)

  8. Step 700

    700 (this color)

    #407559

    oklch(51.7% 0.073 159.3)

  9. Step 800

    800

    #2F5943

    oklch(42.6% 0.06 159.5)

  10. Step 900

    900

    #2A4939

    oklch(37.6% 0.046 160.6)

  11. Step 950

    950

    #192B21

    oklch(27% 0.03 159.2)

Export this scale for Tailwind in the Tailwind colors tool

#407559 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)#746E570.069
Deuteranopia (no green cones)#6C685B0.067
Tritanopia (no blue cones)#33756D0.031
Achromatopsia (no color)#6A6A6A0.073

Harmonies

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

Complementary

The opposite hue (180°).

  • #407559

    #407559

    oklch(51.7% 0.073 159.3)

  • #845776

    #845776

    oklch(51.6% 0.074 338.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #407559

    #407559

    oklch(51.7% 0.073 159.3)

  • #5B7043

    #5B7043

    oklch(51.6% 0.071 129)

  • #2B7571

    #2B7571

    oklch(51.6% 0.072 190.2)

Open the analogous palette in the generator

Split complementary

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

  • #407559

    #407559

    oklch(51.7% 0.073 159.3)

  • #755C88

    #755C88

    oklch(51.7% 0.074 309.9)

  • #8C565F

    #8C565F

    oklch(51.6% 0.072 9.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #407559

    #407559

    oklch(51.7% 0.073 159.3)

  • #5F6492

    #5F6492

    oklch(51.8% 0.073 278.8)

  • #8C5948

    #8C5948

    oklch(51.6% 0.073 39.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #407559

    #407559

    oklch(51.7% 0.073 159.3)

  • #466B90

    #466B90

    oklch(51.6% 0.073 249.4)

  • #845776

    #845776

    oklch(51.6% 0.074 338.9)

  • #836037

    #836037

    oklch(51.6% 0.073 69.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #407559, closest first.

Similar named colors

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

Use #407559 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.