#28766A

Closest named color: Dark Aquamarine (#017371). oklch(51.5% 0.078 181.1), rgb(40, 118, 106).

Aa

White text reads best on this color (5.39:1).

About this color

#28766A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.078 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.022 away. White text reads best on it, at 5.39:1.

Hue familyTeals and cyans
Lightnessmedium-dark (52%)
Chromamoderately saturated (0.078)
Temperaturecool
Nearest nameDark Aquamarine (#017371)
Black text3.88:1
White text5.39:1

Values

HEX#28766A
RGBrgb(40, 118, 106)
HSLhsl(171, 49%, 31%)
OKLCHoklch(51.5% 0.078 181.1)

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 #28766A 5.39:1 AA Lc -82.0 Fine for body text
Black text on #28766A 3.88:1 AA large text Lc 27.4 Dividers and decoration only
#28766A text on white 5.39:1 AA Lc 76.6 Fine for body text
#28766A text on black 3.88:1 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

    #F2F7F5

    oklch(97.2% 0.006 170.4)

  2. Step 100

    100

    #E3ECEA

    oklch(93.6% 0.01 181.4)

  3. Step 200

    200

    #CBDEDA

    oklch(88.5% 0.021 181.8)

  4. Step 300

    300

    #A7C9C2

    oklch(80.9% 0.038 181.5)

  5. Step 400

    400

    #76ADA3

    oklch(70.6% 0.06 181.9)

  6. Step 500

    500

    #4F998C

    oklch(63.1% 0.077 180.9)

  7. Step 600

    600

    #2E8376

    oklch(55.5% 0.083 181.2)

  8. Step 700

    700 (this color)

    #28766A

    oklch(51.5% 0.078 181.1)

  9. Step 800

    800

    #1D5A51

    oklch(42.6% 0.064 181.6)

  10. Step 900

    900

    #1F4A43

    oklch(37.6% 0.049 181.4)

  11. Step 950

    950

    #132C27

    oklch(27.1% 0.033 179.2)

Export this scale for Tailwind in the Tailwind colors tool

#28766A 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)#716F6A0.083
Deuteranopia (no green cones)#65676B0.077
Tritanopia (no blue cones)#0078720.016
Achromatopsia (no color)#6A6A6A0.078

Harmonies

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

Complementary

The opposite hue (180°).

  • #28766A

    #28766A

    oklch(51.5% 0.078 181.1)

  • #8C5465

    #8C5465

    oklch(51.5% 0.077 0.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28766A

    #28766A

    oklch(51.5% 0.078 181.1)

  • #447450

    #447450

    oklch(51.4% 0.078 150.9)

  • #237381

    #237381

    oklch(51.4% 0.078 211.7)

Open the analogous palette in the generator

Split complementary

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

  • #28766A

    #28766A

    oklch(51.5% 0.078 181.1)

  • #81577C

    #81577C

    oklch(51.5% 0.077 330.8)

  • #8F564C

    #8F564C

    oklch(51.5% 0.078 30.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28766A

    #28766A

    oklch(51.5% 0.078 181.1)

  • #6F5D8D

    #6F5D8D

    oklch(51.5% 0.077 301)

  • #885D37

    #885D37

    oklch(51.6% 0.078 61.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28766A

    #28766A

    oklch(51.5% 0.078 181.1)

  • #576594

    #576594

    oklch(51.5% 0.077 270.8)

  • #8C5465

    #8C5465

    oklch(51.5% 0.077 0.6)

  • #78662F

    #78662F

    oklch(51.6% 0.077 91.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28766A, closest first.

Similar named colors

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

Use #28766A 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.