#90BFBC
Closest named color: Light Grey Blue (#9DBCD4). oklch(77% 0.05 191.3), rgb(144, 191, 188).
Aa
Black text reads best on this color (10.36:1).
About this color
#90BFBC is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.050 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.043 away. Black text reads best on it, at 10.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.36:1 |
| White text | 2.02:1 |
Values
| HEX | #90BFBC |
| RGB | rgb(144, 191, 188) |
| HSL | hsl(176, 27%, 66%) |
| OKLCH | oklch(77% 0.05 191.3) |
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 #90BFBC | 2.02:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #90BFBC | 10.36:1 | AAA | Lc 64.6 | Content text, not long reading |
| #90BFBC text on white | 2.02:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #90BFBC text on black | 10.36:1 | AAA | Lc -63.0 | 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
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C5DFDD
oklch(88.4% 0.028 191)
-
Step 300
300 (this color)
#90BFBC
oklch(77% 0.05 191.3)
-
Step 400
400
#60B1AD
oklch(70.8% 0.08 191.3)
-
Step 500
500
#219D98
oklch(63.2% 0.102 190.7)
-
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
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#062D2B
oklch(27% 0.042 189.9)
#90BFBC 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) | #B9BABC | 0.052 |
| Deuteranopia (no green cones) | #B0B3BD | 0.050 |
| Tritanopia (no blue cones) | #81C2BE | 0.017 |
| Achromatopsia (no color) | #B6B6B6 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BFBC
#90BFBC
oklch(77% 0.05 191.3)
- #D2A8AC
#D2A8AC
oklch(77.1% 0.05 11.9)
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 #90BFBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.043
- French Gray #ADB5BD ΔE 0.044
- Tiffany Blue #94D2BD ΔE 0.054
- Muted Teal #90B494 ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.056
- Seafoam Blue #78D1B6 ΔE 0.057
Use #90BFBC 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.