#90BCB5

Closest named color: French Gray (#ADB5BD). oklch(76.2% 0.048 184.3), rgb(144, 188, 181).

Aa

Black text reads best on this color (10.04:1).

About this color

#90BCB5 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.048 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.044 away. Black text reads best on it, at 10.04:1.

Hue familyTeals and cyans
Lightnessmedium-light (76%)
Chromamuted (0.048)
Temperaturecool
Nearest nameFrench Gray (#ADB5BD)
Black text10.04:1
White text2.09:1

Values

HEX#90BCB5
RGBrgb(144, 188, 181)
HSLhsl(170, 25%, 65%)
OKLCHoklch(76.2% 0.048 184.3)

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 #90BCB5 2.09:1 Fails Lc -45.5 Large or bold text, headings
Black text on #90BCB5 10.04:1 AAA Lc 63.1 Content text, not long reading
#90BCB5 text on white 2.09:1 Fails Lc 40.9 Non-text elements, placeholder text
#90BCB5 text on black 10.04:1 AAA Lc -61.4 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

    #F1F7F6

    oklch(97.1% 0.006 185.3)

  2. Step 100

    100

    #E0EDEB

    oklch(93.6% 0.014 185.9)

  3. Step 200

    200

    #C7DFDB

    oklch(88.5% 0.026 184.7)

  4. Step 300

    300 (this color)

    #90BCB5

    oklch(76.2% 0.048 184.3)

  5. Step 400

    400

    #66B0A6

    oklch(70.6% 0.076 184.6)

  6. Step 500

    500

    #309D90

    oklch(63.2% 0.098 183.6)

  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

    #074C45

    oklch(37.6% 0.064 184.1)

  11. Step 950

    950

    #092D29

    oklch(27.1% 0.041 184.6)

Export this scale for Tailwind in the Tailwind colors tool

#90BCB5 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)#B8B7B50.052
Deuteranopia (no green cones)#AFB1B60.048
Tritanopia (no blue cones)#84BEBA0.014
Achromatopsia (no color)#B3B3B30.048

Harmonies

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

Complementary

The opposite hue (180°).

  • #90BCB5

    #90BCB5

    oklch(76.2% 0.048 184.3)

  • #CDA5AE

    #CDA5AE

    oklch(76.1% 0.048 3.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90BCB5

    #90BCB5

    oklch(76.2% 0.048 184.3)

  • #9BBBA4

    #9BBBA4

    oklch(76.2% 0.048 153.9)

  • #8FBAC4

    #8FBAC4

    oklch(76.1% 0.048 213.5)

Open the analogous palette in the generator

Split complementary

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

  • #90BCB5

    #90BCB5

    oklch(76.2% 0.048 184.3)

  • #C5A7BE

    #C5A7BE

    oklch(76.2% 0.047 334.2)

  • #CEA79E

    #CEA79E

    oklch(76.1% 0.048 33.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90BCB5

    #90BCB5

    oklch(76.2% 0.048 184.3)

  • #B8ABCB

    #B8ABCB

    oklch(76.3% 0.047 303.7)

  • #C8AC92

    #C8AC92

    oklch(76.2% 0.048 64.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90BCB5

    #90BCB5

    oklch(76.2% 0.048 184.3)

  • #A8B0D1

    #A8B0D1

    oklch(76.2% 0.048 274.5)

  • #CDA5AE

    #CDA5AE

    oklch(76.1% 0.048 3.2)

  • #BBB290

    #BBB290

    oklch(76.2% 0.048 94.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90BCB5, closest first.

Similar named colors

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

Use #90BCB5 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.