#90BCB9
Closest named color: French Gray (#ADB5BD). oklch(76.3% 0.047 191), rgb(144, 188, 185).
Aa
Black text reads best on this color (10.07:1).
About this color
#90BCB9 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.047 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.041 away. Black text reads best on it, at 10.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.07:1 |
| White text | 2.08:1 |
Values
| HEX | #90BCB9 |
| RGB | rgb(144, 188, 185) |
| HSL | hsl(176, 25%, 65%) |
| OKLCH | oklch(76.3% 0.047 191) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #90BCB9 | 2.08:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #90BCB9 | 10.07:1 | AAA | Lc 63.2 | Content text, not long reading |
| #90BCB9 text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #90BCB9 text on black | 10.07:1 | AAA | Lc -61.6 | 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.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C7DFDD
oklch(88.5% 0.026 190.6)
-
Step 300
300 (this color)
#90BCB9
oklch(76.3% 0.047 191)
-
Step 400
400
#65B0AC
oklch(70.8% 0.075 191.2)
-
Step 500
500
#2E9C97
oklch(63.1% 0.096 190.5)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#064C49
oklch(37.7% 0.063 190.2)
-
Step 950
950
#092D2B
oklch(27.1% 0.04 189.8)
#90BCB9 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #B7B7B9 | 0.050 |
| Deuteranopia (no green cones) | #AEB1BA | 0.047 |
| Tritanopia (no blue cones) | #82BEBB | 0.015 |
| Achromatopsia (no color) | #B4B4B4 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BCB9
#90BCB9
oklch(76.3% 0.047 191)
- #CEA6AA
#CEA6AA
oklch(76.2% 0.047 11.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90BCB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.047
- Pale Teal #82CBB2 ΔE 0.048
- Muted Teal #90B494 ΔE 0.050
- Pewter #96A8A1 ΔE 0.055
- Dark Gray #A9A9A9 ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.056
Use #90BCB9 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.