#90BBB5
Closest named color: French Gray (#ADB5BD). oklch(75.9% 0.047 185.7), rgb(144, 187, 181).
Aa
Black text reads best on this color (9.96:1).
About this color
#90BBB5 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.047 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.043 away. Black text reads best on it, at 9.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.96:1 |
| White text | 2.10:1 |
Values
| HEX | #90BBB5 |
| RGB | rgb(144, 187, 181) |
| HSL | hsl(172, 24%, 65%) |
| OKLCH | oklch(75.9% 0.047 185.7) |
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 #90BBB5 | 2.10:1 | Fails | Lc -45.9 | Large or bold text, headings |
| Black text on #90BBB5 | 9.96:1 | AAA | Lc 62.7 | Content text, not long reading |
| #90BBB5 text on white | 2.10:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #90BBB5 text on black | 9.96:1 | AAA | Lc -61.0 | 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
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C7DFDB
oklch(88.5% 0.026 184.7)
-
Step 300
300 (this color)
#90BBB5
oklch(75.9% 0.047 185.7)
-
Step 400
400
#67B0A7
oklch(70.7% 0.075 185.6)
-
Step 500
500
#339C92
oklch(63.1% 0.095 186)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#0A4C46
oklch(37.7% 0.062 185.4)
-
Step 950
950
#0A2D29
oklch(27.1% 0.04 184.5)
#90BBB5 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) | #B7B6B5 | 0.051 |
| Deuteranopia (no green cones) | #AEB0B6 | 0.047 |
| Tritanopia (no blue cones) | #84BDB9 | 0.014 |
| Achromatopsia (no color) | #B3B3B3 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BBB5
#90BBB5
oklch(75.9% 0.047 185.7)
- #CCA5AC
#CCA5AC
oklch(75.9% 0.047 6.2)
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 #90BBB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.043
- Muted Teal #90B494 ΔE 0.044
- Pale Teal #82CBB2 ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.049
- Pewter #96A8A1 ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.053
- Dark Sea Green #8FBC8F ΔE 0.055
Use #90BBB5 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.