#90DEFD
Closest named color: Light Blue (#ADD8E6). oklch(86.1% 0.088 225.2), rgb(144, 222, 253).
Aa
Black text reads best on this color (14.05:1).
About this color
#90DEFD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.088 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.040 away. Black text reads best on it, at 14.05:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.05:1 |
| White text | 1.49:1 |
Values
| HEX | #90DEFD |
| RGB | rgb(144, 222, 253) |
| HSL | hsl(197, 96%, 78%) |
| OKLCH | oklch(86.1% 0.088 225.2) |
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 #90DEFD | 1.49:1 | Fails | Lc -26.2 | Dividers and decoration only |
| Black text on #90DEFD | 14.05:1 | AAA | Lc 80.6 | Fine for body text |
| #90DEFD text on white | 1.49:1 | Fails | Lc 23.1 | Dividers and decoration only |
| #90DEFD text on black | 14.05:1 | AAA | Lc -80.1 | 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 200.
-
Step 50
50
#EBF8FD
oklch(97.1% 0.015 222.7)
-
Step 100
100
#D4EFFB
oklch(93.6% 0.033 226.3)
-
Step 200
200 (this color)
#90DEFD
oklch(86.1% 0.088 225.2)
-
Step 300
300
#65D0F8
oklch(81% 0.113 225.4)
-
Step 400
400
#00B1DF
oklch(70.7% 0.134 225)
-
Step 500
500
#0098C0
oklch(63.2% 0.12 225)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#90DEFD 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) | #CDDAFF | 0.069 |
| Deuteranopia (no green cones) | #BDCEFD | 0.062 |
| Tritanopia (no blue cones) | #61E8E8 | 0.060 |
| Achromatopsia (no color) | #D3D3D3 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DEFD
#90DEFD
oklch(86.1% 0.088 225.2)
- #FFC1A6
#FFC1A6
oklch(86% 0.081 44.6)
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 #90DEFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.046
- Robin's Egg #6DEDFD ΔE 0.046
- Sky Blue #87CEEB ΔE 0.047
- Celeste #A8DADC ΔE 0.048
- Robin's Egg Blue #98EFF9 ΔE 0.050
Use #90DEFD 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.