#90CDCF
Closest named color: Tiffany Blue (#94D2BD). oklch(80.8% 0.062 198.6), rgb(144, 205, 207).
Aa
Black text reads best on this color (11.81:1).
About this color
#90CDCF is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.062 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.033 away. Black text reads best on it, at 11.81:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 11.81:1 |
| White text | 1.77:1 |
Values
| HEX | #90CDCF |
| RGB | rgb(144, 205, 207) |
| HSL | hsl(182, 40%, 69%) |
| OKLCH | oklch(80.8% 0.062 198.6) |
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 #90CDCF | 1.77:1 | Fails | Lc -36.7 | Non-text elements, placeholder text |
| Black text on #90CDCF | 11.81:1 | AAA | Lc 71.2 | Content text, not long reading |
| #90CDCF text on white | 1.77:1 | Fails | Lc 32.7 | Non-text elements, placeholder text |
| #90CDCF text on black | 11.81:1 | AAA | Lc -70.0 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DDEEEE
oklch(93.7% 0.018 196.8)
-
Step 200
200
#C0E1E1
oklch(88.6% 0.035 196.5)
-
Step 300
300 (this color)
#90CDCF
oklch(80.8% 0.062 198.6)
-
Step 400
400
#43B3B8
oklch(70.6% 0.1 199.3)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#90CDCF 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) | #C5C7CF | 0.065 |
| Deuteranopia (no green cones) | #B9BFD0 | 0.059 |
| Tritanopia (no blue cones) | #79D1CD | 0.025 |
| Achromatopsia (no color) | #C2C2C2 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CDCF
#90CDCF
oklch(80.8% 0.062 198.6)
- #E6B1B1
#E6B1B1
oklch(80.9% 0.062 18.5)
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 #90CDCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.033
- Sky Blue #87CEEB ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Pale Teal #82CBB2 ΔE 0.045
- Celeste #A8DADC ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.048
- Seafoam Blue #78D1B6 ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.051
Use #90CDCF 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.