#90D8CF
Closest named color: Tiffany Blue (#94D2BD). oklch(83.2% 0.073 186), rgb(144, 216, 207).
Aa
Black text reads best on this color (12.90:1).
About this color
#90D8CF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.073 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.025 away. Black text reads best on it, at 12.90:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 12.90:1 |
| White text | 1.62:1 |
Values
| HEX | #90D8CF |
| RGB | rgb(144, 216, 207) |
| HSL | hsl(173, 48%, 71%) |
| OKLCH | oklch(83.2% 0.073 186) |
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 #90D8CF | 1.62:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #90D8CF | 12.90:1 | AAA | Lc 75.9 | Fine for body text |
| #90D8CF text on white | 1.62:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #90D8CF text on black | 12.90:1 | AAA | Lc -75.0 | Fine for body text |
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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEC
oklch(93.7% 0.021 186)
-
Step 200
200
#BCE2DD
oklch(88.4% 0.04 186.7)
-
Step 300
300 (this color)
#90D8CF
oklch(83.2% 0.073 186)
-
Step 400
400
#25B8AB
oklch(70.7% 0.117 185.6)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#90D8CF 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) | #D1D0CF | 0.078 |
| Deuteranopia (no green cones) | #C4C7D0 | 0.073 |
| Tritanopia (no blue cones) | #77DBD5 | 0.023 |
| Achromatopsia (no color) | #CBCBCB | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D8CF
#90D8CF
oklch(83.2% 0.073 186)
- #F2B5C1
#F2B5C1
oklch(83.2% 0.072 5.7)
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 #90D8CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.025
- Celeste #A8DADC ΔE 0.034
- Light Teal #90E4C1 ΔE 0.044
- Seafoam Blue #78D1B6 ΔE 0.046
- Light Blue #ADD8E6 ΔE 0.049
- Pale Teal #82CBB2 ΔE 0.051
- Powder Blue #B0E0E6 ΔE 0.053
- Sky Blue #87CEEB ΔE 0.056
Use #90D8CF 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.