#90DDF2
Closest named color: Light Blue (#ADD8E6). oklch(85.5% 0.081 216.9), rgb(144, 221, 242).
Aa
Black text reads best on this color (13.81:1).
About this color
#90DDF2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.081 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.032 away. Black text reads best on it, at 13.81:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.81:1 |
| White text | 1.52:1 |
Values
| HEX | #90DDF2 |
| RGB | rgb(144, 221, 242) |
| HSL | hsl(193, 79%, 76%) |
| OKLCH | oklch(85.5% 0.081 216.9) |
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 #90DDF2 | 1.52:1 | Fails | Lc -27.3 | Dividers and decoration only |
| Black text on #90DDF2 | 13.81:1 | AAA | Lc 79.7 | Fine for body text |
| #90DDF2 text on white | 1.52:1 | Fails | Lc 24.1 | Dividers and decoration only |
| #90DDF2 text on black | 13.81:1 | AAA | Lc -79.1 | 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
#ECF8FC
oklch(97.1% 0.014 219.6)
-
Step 100
100
#D4EFF7
oklch(93.5% 0.03 217.5)
-
Step 200
200 (this color)
#90DDF2
oklch(85.5% 0.081 216.9)
-
Step 300
300
#68D1EC
oklch(80.8% 0.104 216.9)
-
Step 400
400
#00B3D3
oklch(70.7% 0.126 216.7)
-
Step 500
500
#0099B6
oklch(63% 0.113 217.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#90DDF2 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) | #CFD8F3 | 0.072 |
| Deuteranopia (no green cones) | #BFCCF2 | 0.066 |
| Tritanopia (no blue cones) | #67E5E3 | 0.049 |
| Achromatopsia (no color) | #D1D1D1 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DDF2
#90DDF2
oklch(85.5% 0.081 216.9)
- #FFBDAA
#FFBDAA
oklch(85.4% 0.081 36.7)
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 #90DDF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.032
- Celeste #A8DADC ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.042
- Robin's Egg #6DEDFD ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.049
Use #90DDF2 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.