#90CDDB
Closest named color: Sky Blue (#87CEEB). oklch(81.2% 0.065 213.6), rgb(144, 205, 219).
Aa
Black text reads best on this color (11.94:1).
About this color
#90CDDB is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.065 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.023 away. Black text reads best on it, at 11.94:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.94:1 |
| White text | 1.75:1 |
Values
| HEX | #90CDDB |
| RGB | rgb(144, 205, 219) |
| HSL | hsl(191, 51%, 71%) |
| OKLCH | oklch(81.2% 0.065 213.6) |
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 #90CDDB | 1.75:1 | Fails | Lc -36.1 | Non-text elements, placeholder text |
| Black text on #90CDDB | 11.94:1 | AAA | Lc 71.7 | Content text, not long reading |
| #90CDDB text on white | 1.75:1 | Fails | Lc 32.1 | Non-text elements, placeholder text |
| #90CDDB text on black | 11.94:1 | AAA | Lc -70.6 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DCEDF1
oklch(93.5% 0.019 213.4)
-
Step 200
200
#BFE0E8
oklch(88.5% 0.036 214)
-
Step 300
300 (this color)
#90CDDB
oklch(81.2% 0.065 213.6)
-
Step 400
400
#41B1C8
oklch(70.7% 0.104 214)
-
Step 500
500
#009AB2
oklch(63.1% 0.111 213.9)
-
Step 600
600
#008196
oklch(55.5% 0.098 214.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#90CDDB 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) | #C2C9DC | 0.060 |
| Deuteranopia (no green cones) | #B6BFDB | 0.056 |
| Tritanopia (no blue cones) | #75D3D1 | 0.036 |
| Achromatopsia (no color) | #C3C3C3 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CDDB
#90CDDB
oklch(81.2% 0.065 213.6)
- #E8B3A6
#E8B3A6
oklch(81.2% 0.065 34.2)
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 #90CDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.023
- Light Cornflower Blue #98C1D9 ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.045
- Celeste #A8DADC ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.048
Use #90CDDB 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.