#90DCF5
Closest named color: Light Blue (#ADD8E6). oklch(85.4% 0.083 220.7), rgb(144, 220, 245).
Aa
Black text reads best on this color (13.74:1).
About this color
#90DCF5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.083 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.034 away. Black text reads best on it, at 13.74:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.74:1 |
| White text | 1.52:1 |
Values
| HEX | #90DCF5 |
| RGB | rgb(144, 220, 245) |
| HSL | hsl(195, 83%, 76%) |
| OKLCH | oklch(85.4% 0.083 220.7) |
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 #90DCF5 | 1.52:1 | Fails | Lc -27.6 | Dividers and decoration only |
| Black text on #90DCF5 | 13.74:1 | AAA | Lc 79.4 | Fine for body text |
| #90DCF5 text on white | 1.52:1 | Fails | Lc 24.4 | Dividers and decoration only |
| #90DCF5 text on black | 13.74:1 | AAA | Lc -78.8 | 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
#ECF8FC
oklch(97.1% 0.014 219.6)
-
Step 100
100
#D5EFF8
oklch(93.6% 0.03 220.6)
-
Step 200
200 (this color)
#90DCF5
oklch(85.4% 0.083 220.7)
-
Step 300
300
#68D0F1
oklch(80.8% 0.107 221.3)
-
Step 400
400
#00B2D9
oklch(70.7% 0.13 221)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#90DCF5 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) | #CDD8F6 | 0.070 |
| Deuteranopia (no green cones) | #BDCCF5 | 0.062 |
| Tritanopia (no blue cones) | #66E4E4 | 0.052 |
| Achromatopsia (no color) | #D1D1D1 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DCF5
#90DCF5
oklch(85.4% 0.083 220.7)
- #FFBDA6
#FFBDA6
oklch(85.3% 0.083 40)
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 #90DCF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.034
- Celeste #A8DADC ΔE 0.039
- Sky Blue #87CEEB ΔE 0.040
- Powder Blue #B0E0E6 ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.044
- Robin's Egg #6DEDFD ΔE 0.048
- Robin's Egg Blue #98EFF9 ΔE 0.052
Use #90DCF5 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.