#189C8F

Closest named color: Blue Green (#0F9B8E). oklch(62.5% 0.106 184.2), rgb(24, 156, 143).

Aa

Black text reads best on this color (6.19:1).

About this color

#189C8F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.106 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.004 away. Black text reads best on it, at 6.19:1.

Hue familyTeals and cyans
Lightnessmedium-light (62%)
Chromamoderately saturated (0.106)
Temperaturecool
Nearest nameBlue Green (#0F9B8E)
Black text6.19:1
White text3.39:1

Values

HEX#189C8F
RGBrgb(24, 156, 143)
HSLhsl(174, 73%, 35%)
OKLCHoklch(62.5% 0.106 184.2)

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 #189C8F 3.39:1 AA large text Lc -66.4 Content text, not long reading
Black text on #189C8F 6.19:1 AA Lc 43.1 Non-text elements, placeholder text
#189C8F text on white 3.39:1 AA large text Lc 60.9 Content text, not long reading
#189C8F text on black 6.19:1 AA Lc -40.8 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

    #E0EDEB

    oklch(93.6% 0.014 185.9)

  3. Step 200

    200

    #C5E0DB

    oklch(88.5% 0.029 183.3)

  4. Step 300

    300

    #9CCCC4

    oklch(80.9% 0.051 183.7)

  5. Step 400

    400

    #5FB2A7

    oklch(70.8% 0.083 184.4)

  6. Step 500

    500 (this color)

    #189C8F

    oklch(62.5% 0.106 184.2)

  7. Step 600

    600

    #00867A

    oklch(55.7% 0.099 183.9)

  8. Step 700

    700

    #007066

    oklch(49% 0.087 184.2)

  9. Step 800

    800

    #005C54

    oklch(42.7% 0.075 184.7)

  10. Step 900

    900

    #004D46

    oklch(37.8% 0.067 184.5)

  11. Step 950

    950

    #052D29

    oklch(26.9% 0.044 185.1)

Export this scale for Tailwind in the Tailwind colors tool

#189C8F 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)#94938F0.113
Deuteranopia (no green cones)#8386900.107
Tritanopia (no blue cones)#00A0980.015
Achromatopsia (no color)#8B8B8B0.107

Harmonies

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

Complementary

The opposite hue (180°).

  • #189C8F

    #189C8F

    oklch(62.5% 0.106 184.2)

  • #BD6B80

    #BD6B80

    oklch(62.5% 0.107 4.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #189C8F

    #189C8F

    oklch(62.5% 0.106 184.2)

  • #4E9A6A

    #4E9A6A

    oklch(62.4% 0.106 154.2)

  • #1697AF

    #1697AF

    oklch(62.4% 0.106 214.9)

Open the analogous palette in the generator

Split complementary

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

  • #189C8F

    #189C8F

    oklch(62.5% 0.106 184.2)

  • #AE6EA2

    #AE6EA2

    oklch(62.4% 0.107 333.8)

  • #BF6F5C

    #BF6F5C

    oklch(62.6% 0.106 34.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #189C8F

    #189C8F

    oklch(62.5% 0.106 184.2)

  • #9677BB

    #9677BB

    oklch(62.5% 0.105 304.5)

  • #B4793D

    #B4793D

    oklch(62.5% 0.106 64.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #189C8F

    #189C8F

    oklch(62.5% 0.106 184.2)

  • #7482C7

    #7482C7

    oklch(62.4% 0.105 274.2)

  • #BD6B80

    #BD6B80

    oklch(62.5% 0.107 4.2)

  • #9C8632

    #9C8632

    oklch(62.4% 0.106 94.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #189C8F, closest first.

Similar named colors

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

Use #189C8F 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.