#90BBC5
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.5% 0.048 213.5), rgb(144, 187, 197).
Aa
Black text reads best on this color (10.10:1).
About this color
#90BBC5 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.048 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.028 away. Black text reads best on it, at 10.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.10:1 |
| White text | 2.07:1 |
Values
| HEX | #90BBC5 |
| RGB | rgb(144, 187, 197) |
| HSL | hsl(191, 31%, 67%) |
| OKLCH | oklch(76.5% 0.048 213.5) |
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 #90BBC5 | 2.07:1 | Fails | Lc -45.2 | Large or bold text, headings |
| Black text on #90BBC5 | 10.10:1 | AAA | Lc 63.3 | Content text, not long reading |
| #90BBC5 text on white | 2.07:1 | Fails | Lc 40.6 | Non-text elements, placeholder text |
| #90BBC5 text on black | 10.10:1 | AAA | Lc -61.7 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C6DEE4
oklch(88.5% 0.027 214.4)
-
Step 300
300 (this color)
#90BBC5
oklch(76.5% 0.048 213.5)
-
Step 400
400
#64ADBD
oklch(70.6% 0.077 213.4)
-
Step 500
500
#2E98AD
oklch(63% 0.098 214)
-
Step 600
600
#008296
oklch(55.7% 0.098 213.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#064A56
oklch(37.7% 0.064 213.7)
-
Step 950
950
#092B32
oklch(26.9% 0.04 214.1)
#90BBC5 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) | #B3B8C6 | 0.044 |
| Deuteranopia (no green cones) | #AAB1C5 | 0.040 |
| Tritanopia (no blue cones) | #7FBFBE | 0.026 |
| Achromatopsia (no color) | #B4B4B4 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BBC5
#90BBC5
oklch(76.5% 0.048 213.5)
- #CFA89F
#CFA89F
oklch(76.4% 0.048 33.2)
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 #90BBC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.032
- French Gray #ADB5BD ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.053
- Dark Gray #A9A9A9 ΔE 0.056
- Light Steel Blue #B0C4DE ΔE 0.059
- Pewter #96A8A1 ΔE 0.060
Use #90BBC5 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.