#90BBC3
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.4% 0.047 210.2), rgb(144, 187, 195).
Aa
Black text reads best on this color (10.08:1).
About this color
#90BBC3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.047 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.030 away. Black text reads best on it, at 10.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #90BBC3 |
| RGB | rgb(144, 187, 195) |
| HSL | hsl(189, 30%, 66%) |
| OKLCH | oklch(76.4% 0.047 210.2) |
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 #90BBC3 | 2.08:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #90BBC3 | 10.08:1 | AAA | Lc 63.3 | Content text, not long reading |
| #90BBC3 text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #90BBC3 text on black | 10.08:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300 (this color)
#90BBC3
oklch(76.4% 0.047 210.2)
-
Step 400
400
#65AEBB
oklch(70.8% 0.075 210.2)
-
Step 500
500
#2E99AA
oklch(63.1% 0.097 210.4)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#064A54
oklch(37.6% 0.063 210.7)
-
Step 950
950
#092C31
oklch(27.1% 0.04 208.6)
#90BBC3 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) | #B4B8C4 | 0.046 |
| Deuteranopia (no green cones) | #ABB1C3 | 0.041 |
| Tritanopia (no blue cones) | #80BFBD | 0.024 |
| Achromatopsia (no color) | #B4B4B4 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BBC3
#90BBC3
oklch(76.4% 0.047 210.2)
- #CFA8A1
#CFA8A1
oklch(76.5% 0.047 30)
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 #90BBC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.034
- French Gray #ADB5BD ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.055
- Pewter #96A8A1 ΔE 0.059
- Pale Teal #82CBB2 ΔE 0.059
Use #90BBC3 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.