#199E9C

Closest named color: Persian Green (#2A9D8F). oklch(63.5% 0.104 193.2), rgb(25, 158, 156).

Aa

Black text reads best on this color (6.41:1).

About this color

#199E9C is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.104 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.019 away. Black text reads best on it, at 6.41:1.

Hue familyTeals and cyans
Lightnessmedium-light (63%)
Chromamoderately saturated (0.104)
Temperaturecool
Nearest namePersian Green (#2A9D8F)
Black text6.41:1
White text3.27:1

Values

HEX#199E9C
RGBrgb(25, 158, 156)
HSLhsl(179, 73%, 36%)
OKLCHoklch(63.5% 0.104 193.2)

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 #199E9C 3.27:1 AA large text Lc -65.0 Content text, not long reading
Black text on #199E9C 6.41:1 AA Lc 44.5 Non-text elements, placeholder text
#199E9C text on white 3.27:1 AA large text Lc 59.6 Large or bold text, headings
#199E9C text on black 6.41:1 AA Lc -42.1 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

    #F1F7F7

    oklch(97.2% 0.006 197.1)

  2. Step 100

    100

    #DFEDEC

    oklch(93.5% 0.015 191.8)

  3. Step 200

    200

    #C5DFDE

    oklch(88.4% 0.028 193.8)

  4. Step 300

    300

    #9BCCCA

    oklch(81% 0.051 193.1)

  5. Step 400

    400

    #5DB1AF

    oklch(70.7% 0.082 193.4)

  6. Step 500

    500 (this color)

    #199E9C

    oklch(63.5% 0.104 193.2)

  7. Step 600

    600

    #008483

    oklch(55.5% 0.095 193.8)

  8. Step 700

    700

    #006F6E

    oklch(49% 0.084 193.7)

  9. Step 800

    800

    #005B5A

    oklch(42.6% 0.073 193.5)

  10. Step 900

    900

    #004C4B

    oklch(37.7% 0.064 193.2)

  11. Step 950

    950

    #042D2C

    oklch(27% 0.043 192.4)

Export this scale for Tailwind in the Tailwind colors tool

#199E9C 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)#93969C0.108
Deuteranopia (no green cones)#82899D0.102
Tritanopia (no blue cones)#00A39D0.014
Achromatopsia (no color)#8E8E8E0.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #199E9C

    #199E9C

    oklch(63.5% 0.104 193.2)

  • #C16F78

    #C16F78

    oklch(63.5% 0.104 13.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #199E9C

    #199E9C

    oklch(63.5% 0.104 193.2)

  • #449E78

    #449E78

    oklch(63.4% 0.104 163.1)

  • #2F98B9

    #2F98B9

    oklch(63.5% 0.104 223.5)

Open the analogous palette in the generator

Split complementary

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

  • #199E9C

    #199E9C

    oklch(63.5% 0.104 193.2)

  • #B6709B

    #B6709B

    oklch(63.4% 0.104 343)

  • #BF7555

    #BF7555

    oklch(63.5% 0.104 43.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #199E9C

    #199E9C

    oklch(63.5% 0.104 193.2)

  • #A177B7

    #A177B7

    oklch(63.4% 0.104 313.6)

  • #B1803B

    #B1803B

    oklch(63.5% 0.105 73.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #199E9C

    #199E9C

    oklch(63.5% 0.104 193.2)

  • #8282C8

    #8282C8

    oklch(63.5% 0.104 283)

  • #C16F78

    #C16F78

    oklch(63.5% 0.104 13.4)

  • #968D3B

    #968D3B

    oklch(63.4% 0.104 103.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #199E9C, closest first.

Similar named colors

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

Use #199E9C 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.