#90B2BA
Closest named color: Cool Steel (#97A7B3). oklch(74.1% 0.039 213.6), rgb(144, 178, 186).
Aa
Black text reads best on this color (9.26:1).
About this color
#90B2BA is a medium-light, muted teal or cyan. In OKLCH its lightness is 74%, its chroma 0.039 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.029 away. Black text reads best on it, at 9.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.26:1 |
| White text | 2.26:1 |
Values
| HEX | #90B2BA |
| RGB | rgb(144, 178, 186) |
| HSL | hsl(191, 23%, 65%) |
| OKLCH | oklch(74.1% 0.039 213.6) |
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 #90B2BA | 2.26:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #90B2BA | 9.26:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #90B2BA text on white | 2.26:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #90B2BA text on black | 9.26:1 | AAA | Lc -57.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DCDE
oklch(88.6% 0.013 208.8)
-
Step 300
300
#B0C5CA
oklch(80.9% 0.024 213.6)
-
Step 400
400 (this color)
#90B2BA
oklch(74.1% 0.039 213.6)
-
Step 500
500
#66929C
oklch(63.2% 0.05 213.4)
-
Step 600
600
#4D7C86
oklch(55.6% 0.053 212.6)
-
Step 700
700
#3D6872
oklch(49% 0.05 214.2)
-
Step 800
800
#33555D
oklch(42.7% 0.042 214.3)
-
Step 900
900
#2D464C
oklch(37.6% 0.032 214.4)
-
Step 950
950
#1B292C
oklch(27% 0.02 212.4)
#90B2BA 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) | #ACAFBB | 0.037 |
| Deuteranopia (no green cones) | #A4AABA | 0.032 |
| Tritanopia (no blue cones) | #83B6B4 | 0.022 |
| Achromatopsia (no color) | #ACACAC | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B2BA
#90B2BA
oklch(74.1% 0.039 213.6)
- #C2A39B
#C2A39B
oklch(74.1% 0.038 34.8)
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 #90B2BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.029
- Pewter #96A8A1 ΔE 0.037
- Dark Gray #A9A9A9 ΔE 0.039
- French Gray #ADB5BD ΔE 0.040
- Cool Grey #95A3A6 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.050
Use #90B2BA 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.