#90DFFF
Closest named color: Light Blue (#ADD8E6). oklch(86.4% 0.089 225.6), rgb(144, 223, 255).
Aa
Black text reads best on this color (14.18:1).
About this color
#90DFFF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.089 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.042 away. Black text reads best on it, at 14.18:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.18:1 |
| White text | 1.48:1 |
Values
| HEX | #90DFFF |
| RGB | rgb(144, 223, 255) |
| HSL | hsl(197, 100%, 78%) |
| OKLCH | oklch(86.4% 0.089 225.6) |
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 #90DFFF | 1.48:1 | Fails | Lc -25.6 | Dividers and decoration only |
| Black text on #90DFFF | 14.18:1 | AAA | Lc 81.2 | Fine for body text |
| #90DFFF text on white | 1.48:1 | Fails | Lc 22.6 | Dividers and decoration only |
| #90DFFF text on black | 14.18:1 | AAA | Lc -80.7 | 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)
#90DFFF
oklch(86.4% 0.089 225.6)
-
Step 300
300
#63D0F9
oklch(80.9% 0.115 225.6)
-
Step 400
400
#00B1E0
oklch(70.8% 0.135 225.5)
-
Step 500
500
#0097C0
oklch(63% 0.12 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#90DFFF 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) | #CEDBFF | 0.070 |
| Deuteranopia (no green cones) | #BDCFFF | 0.062 |
| Tritanopia (no blue cones) | #5FE9E9 | 0.062 |
| Achromatopsia (no color) | #D4D4D4 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DFFF
#90DFFF
oklch(86.4% 0.089 225.6)
- #FFC3A7
#FFC3A7
oklch(86.4% 0.079 46.2)
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 #90DFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.044
- Robin's Egg #6DEDFD ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.047
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Robin Egg Blue #8AF1FE ΔE 0.049
- Sky Blue #87CEEB ΔE 0.050
Use #90DFFF 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.