#90D9CF
Closest named color: Tiffany Blue (#94D2BD). oklch(83.4% 0.074 185.1), rgb(144, 217, 207).
Aa
Black text reads best on this color (13.01:1).
About this color
#90D9CF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.074 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.026 away. Black text reads best on it, at 13.01:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 13.01:1 |
| White text | 1.61:1 |
Values
| HEX | #90D9CF |
| RGB | rgb(144, 217, 207) |
| HSL | hsl(172, 49%, 71%) |
| OKLCH | oklch(83.4% 0.074 185.1) |
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 #90D9CF | 1.61:1 | Fails | Lc -31.0 | Non-text elements, placeholder text |
| Black text on #90D9CF | 13.01:1 | AAA | Lc 76.3 | Fine for body text |
| #90D9CF text on white | 1.61:1 | Fails | Lc 27.5 | Dividers and decoration only |
| #90D9CF text on black | 13.01:1 | AAA | Lc -75.5 | 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
#BCE3DD
oklch(88.6% 0.042 185.1)
-
Step 300
300 (this color)
#90D9CF
oklch(83.4% 0.074 185.1)
-
Step 400
400
#21B8AA
oklch(70.6% 0.119 185)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#90D9CF 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) | #D2D1CF | 0.079 |
| Deuteranopia (no green cones) | #C5C7D0 | 0.076 |
| Tritanopia (no blue cones) | #77DCD6 | 0.023 |
| Achromatopsia (no color) | #CCCCCC | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D9CF
#90D9CF
oklch(83.4% 0.074 185.1)
- #F4B5C2
#F4B5C2
oklch(83.5% 0.075 5.1)
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 #90D9CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.026
- Celeste #A8DADC ΔE 0.034
- Light Teal #90E4C1 ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.049
- Powder Blue #B0E0E6 ΔE 0.052
- Pale Teal #82CBB2 ΔE 0.052
- Turquoise #40E0D0 ΔE 0.058
Use #90D9CF 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.