#99BCB3

Closest named color: French Gray (#ADB5BD). oklch(76.7% 0.04 177.8), rgb(153, 188, 179).

Aa

Black text reads best on this color (10.19:1).

About this color

#99BCB3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.040 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.038 away. Black text reads best on it, at 10.19:1.

Hue familyTeals and cyans
Lightnessmedium-light (77%)
Chromamuted (0.040)
Temperaturecool
Nearest nameFrench Gray (#ADB5BD)
Black text10.19:1
White text2.05:1

Values

HEX#99BCB3
RGBrgb(153, 188, 179)
HSLhsl(165, 21%, 67%)
OKLCHoklch(76.7% 0.04 177.8)

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 #99BCB3 2.05:1 Fails Lc -44.7 Non-text elements, placeholder text
Black text on #99BCB3 10.19:1 AAA Lc 63.8 Content text, not long reading
#99BCB3 text on white 2.05:1 Fails Lc 40.1 Non-text elements, placeholder text
#99BCB3 text on black 10.19:1 AAA Lc -62.2 Content text, not long reading

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 300.

  1. Step 50

    50

    #F2F7F5

    oklch(97.2% 0.006 170.4)

  2. Step 100

    100

    #E2ECEA

    oklch(93.5% 0.011 182.9)

  3. Step 200

    200

    #CBDED9

    oklch(88.5% 0.021 178.3)

  4. Step 300

    300 (this color)

    #99BCB3

    oklch(76.7% 0.04 177.8)

  5. Step 400

    400

    #74AEA0

    oklch(70.7% 0.064 177.5)

  6. Step 500

    500

    #4C9A89

    oklch(63.2% 0.082 177.4)

  7. Step 600

    600

    #298473

    oklch(55.6% 0.088 177.8)

  8. Step 700

    700

    #1A7060

    oklch(49.2% 0.083 177.1)

  9. Step 800

    800

    #195B4F

    oklch(42.7% 0.068 178.2)

  10. Step 900

    900

    #1D4B41

    oklch(37.8% 0.053 176.8)

  11. Step 950

    950

    #122C26

    oklch(27% 0.034 176.7)

Export this scale for Tailwind in the Tailwind colors tool

#99BCB3 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)#B9B8B30.042
Deuteranopia (no green cones)#B2B3B40.039
Tritanopia (no blue cones)#90BDB90.012
Achromatopsia (no color)#B5B5B50.040

Harmonies

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

Complementary

The opposite hue (180°).

  • #99BCB3

    #99BCB3

    oklch(76.7% 0.04 177.8)

  • #CAA9B3

    #CAA9B3

    oklch(76.7% 0.041 357.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #99BCB3

    #99BCB3

    oklch(76.7% 0.04 177.8)

  • #A3BBA5

    #A3BBA5

    oklch(76.8% 0.041 147.5)

  • #97BBC0

    #97BBC0

    oklch(76.7% 0.039 206.8)

Open the analogous palette in the generator

Split complementary

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

  • #99BCB3

    #99BCB3

    oklch(76.7% 0.04 177.8)

  • #C2ABC0

    #C2ABC0

    oklch(76.7% 0.039 328.7)

  • #CCAAA5

    #CCAAA5

    oklch(76.7% 0.041 27.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #99BCB3

    #99BCB3

    oklch(76.7% 0.04 177.8)

  • #B6AECA

    #B6AECA

    oklch(76.6% 0.04 298.5)

  • #C7AE9B

    #C7AE9B

    oklch(76.7% 0.039 59.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #99BCB3

    #99BCB3

    oklch(76.7% 0.04 177.8)

  • #A8B3CD

    #A8B3CD

    oklch(76.7% 0.039 267.3)

  • #CAA9B3

    #CAA9B3

    oklch(76.7% 0.041 357.9)

  • #BEB297

    #BEB297

    oklch(76.6% 0.04 86.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99BCB3, closest first.

Similar named colors

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

Use #99BCB3 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.