#339C8F

Closest named color: Persian Green (#2A9D8F). oklch(63% 0.096 183.4), rgb(51, 156, 143).

Aa

Black text reads best on this color (6.29:1).

About this color

#339C8F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.096 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.005 away. Black text reads best on it, at 6.29:1.

Hue familyTeals and cyans
Lightnessmedium-light (63%)
Chromamoderately saturated (0.096)
Temperaturecool
Nearest namePersian Green (#2A9D8F)
Black text6.29:1
White text3.33:1

Values

HEX#339C8F
RGBrgb(51, 156, 143)
HSLhsl(173, 51%, 41%)
OKLCHoklch(63% 0.096 183.4)

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 #339C8F 3.33:1 AA large text Lc -65.9 Content text, not long reading
Black text on #339C8F 6.29:1 AA Lc 43.6 Non-text elements, placeholder text
#339C8F text on white 3.33:1 AA large text Lc 60.5 Content text, not long reading
#339C8F text on black 6.29:1 AA Lc -41.2 Non-text elements, placeholder text

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

    #F1F7F6

    oklch(97.1% 0.006 185.3)

  2. Step 100

    100

    #E1EDEB

    oklch(93.7% 0.013 185.1)

  3. Step 200

    200

    #C7DFDB

    oklch(88.5% 0.026 184.7)

  4. Step 300

    300

    #9FCBC4

    oklch(80.9% 0.047 184.4)

  5. Step 400

    400

    #67B0A5

    oklch(70.6% 0.075 183.4)

  6. Step 500

    500 (this color)

    #339C8F

    oklch(63% 0.096 183.4)

  7. Step 600

    600

    #008679

    oklch(55.7% 0.099 183.1)

  8. Step 700

    700

    #007066

    oklch(49% 0.087 184.2)

  9. Step 800

    800

    #005C53

    oklch(42.6% 0.076 183.4)

  10. Step 900

    900

    #0A4C45

    oklch(37.6% 0.063 183.9)

  11. Step 950

    950

    #0B2D28

    oklch(27.1% 0.04 181.8)

Export this scale for Tailwind in the Tailwind colors tool

#339C8F 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)#95938F0.103
Deuteranopia (no green cones)#8588900.096
Tritanopia (no blue cones)#009F980.017
Achromatopsia (no color)#8D8D8D0.097

Harmonies

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

Complementary

The opposite hue (180°).

  • #339C8F

    #339C8F

    oklch(63% 0.096 183.4)

  • #BA7083

    #BA7083

    oklch(63.1% 0.096 3.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #339C8F

    #339C8F

    oklch(63% 0.096 183.4)

  • #589A6E

    #589A6E

    oklch(63% 0.095 153.6)

  • #3098AC

    #3098AC

    oklch(63% 0.096 213.3)

Open the analogous palette in the generator

Split complementary

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

  • #339C8F

    #339C8F

    oklch(63% 0.096 183.4)

  • #AC73A2

    #AC73A2

    oklch(63% 0.096 333.1)

  • #BC7362

    #BC7362

    oklch(63% 0.096 33.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #339C8F

    #339C8F

    oklch(63% 0.096 183.4)

  • #957AB9

    #957AB9

    oklch(62.9% 0.097 303.4)

  • #B27C48

    #B27C48

    oklch(63% 0.096 63.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #339C8F

    #339C8F

    oklch(63% 0.096 183.4)

  • #7685C4

    #7685C4

    oklch(63% 0.097 273.1)

  • #BA7083

    #BA7083

    oklch(63.1% 0.096 3.6)

  • #9D883F

    #9D883F

    oklch(63.1% 0.096 93.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #339C8F, closest first.

Similar named colors

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

Use #339C8F 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.