#28A690

Closest named color: Persian Green (#2A9D8F). oklch(65.4% 0.111 177.9), rgb(40, 166, 144).

Aa

Black text reads best on this color (6.94:1).

About this color

#28A690 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.111 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.027 away. Black text reads best on it, at 6.94:1.

Hue familyTeals and cyans
Lightnessmedium-light (65%)
Chromamoderately saturated (0.111)
Temperaturecool
Nearest namePersian Green (#2A9D8F)
Black text6.94:1
White text3.02:1

Values

HEX#28A690
RGBrgb(40, 166, 144)
HSLhsl(170, 61%, 40%)
OKLCHoklch(65.4% 0.111 177.9)

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 #28A690 3.02:1 AA large text Lc -61.9 Content text, not long reading
Black text on #28A690 6.94:1 AA Lc 47.5 Large or bold text, headings
#28A690 text on white 3.02:1 AA large text Lc 56.6 Large or bold text, headings
#28A690 text on black 6.94:1 AA Lc -45.2 Large or bold text, headings

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 500.

  1. Step 50

    50

    #F1F7F5

    oklch(97.1% 0.007 174.4)

  2. Step 100

    100

    #E0EDEA

    oklch(93.6% 0.014 180.7)

  3. Step 200

    200

    #C5E0D9

    oklch(88.5% 0.03 178.3)

  4. Step 300

    300

    #9BCDC0

    oklch(80.9% 0.055 177.1)

  5. Step 400

    400

    #5FB2A0

    oklch(70.6% 0.086 177.9)

  6. Step 500

    500 (this color)

    #28A690

    oklch(65.4% 0.111 177.9)

  7. Step 600

    600

    #008673

    oklch(55.5% 0.102 178.1)

  8. Step 700

    700

    #007161

    oklch(49.1% 0.09 178.4)

  9. Step 800

    800

    #005D4F

    oklch(42.8% 0.079 177.8)

  10. Step 900

    900

    #004D41

    oklch(37.6% 0.069 177.7)

  11. Step 950

    950

    #052E26

    oklch(27.1% 0.046 176.5)

Export this scale for Tailwind in the Tailwind colors tool

#28A690 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)#9F9B8F0.117
Deuteranopia (no green cones)#8E8F920.111
Tritanopia (no blue cones)#00A99F0.021
Achromatopsia (no color)#9494940.112

Harmonies

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

Complementary

The opposite hue (180°).

  • #28A690

    #28A690

    oklch(65.4% 0.111 177.9)

  • #C67290

    #C67290

    oklch(65.3% 0.111 357.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28A690

    #28A690

    oklch(65.4% 0.111 177.9)

  • #5EA369

    #5EA369

    oklch(65.4% 0.111 147.9)

  • #0CA3B3

    #0CA3B3

    oklch(65.5% 0.111 207.3)

Open the analogous palette in the generator

Split complementary

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

  • #28A690

    #28A690

    oklch(65.4% 0.111 177.9)

  • #B577B3

    #B577B3

    oklch(65.4% 0.112 327.9)

  • #CB746A

    #CB746A

    oklch(65.3% 0.111 27.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28A690

    #28A690

    oklch(65.4% 0.111 177.9)

  • #9881CB

    #9881CB

    oklch(65.3% 0.11 297.6)

  • #C27E47

    #C27E47

    oklch(65.3% 0.11 58.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28A690

    #28A690

    oklch(65.4% 0.111 177.9)

  • #738DD4

    #738DD4

    oklch(65.3% 0.111 268)

  • #C67290

    #C67290

    oklch(65.3% 0.111 357.8)

  • #AD8C35

    #AD8C35

    oklch(65.5% 0.111 87.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28A690, closest first.

Similar named colors

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

Use #28A690 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.