#90D9EA
Closest named color: Light Blue (#ADD8E6). oklch(84.3% 0.076 214), rgb(144, 217, 234).
Aa
Black text reads best on this color (13.29:1).
About this color
#90D9EA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.076 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.031 away. Black text reads best on it, at 13.29:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.29:1 |
| White text | 1.57:1 |
Values
| HEX | #90D9EA |
| RGB | rgb(144, 217, 234) |
| HSL | hsl(191, 68%, 74%) |
| OKLCH | oklch(84.3% 0.076 214) |
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 #90D9EA | 1.57:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #90D9EA | 13.29:1 | AAA | Lc 77.5 | Fine for body text |
| #90D9EA text on white | 1.57:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #90D9EA text on black | 13.29:1 | AAA | Lc -76.8 | 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 300.
-
Step 50
50
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DAEEF3
oklch(93.6% 0.022 214.4)
-
Step 200
200
#BAE1EA
oklch(88.5% 0.043 213.3)
-
Step 300
300 (this color)
#90D9EA
oklch(84.3% 0.076 214)
-
Step 400
400
#12B3CF
oklch(70.6% 0.122 214.5)
-
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)
#90D9EA 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) | #CCD4EB | 0.070 |
| Deuteranopia (no green cones) | #BEC9EA | 0.064 |
| Tritanopia (no blue cones) | #6CE0DE | 0.043 |
| Achromatopsia (no color) | #CECECE | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D9EA
#90D9EA
oklch(84.3% 0.076 214)
- #F9BAAB
#F9BAAB
oklch(84.3% 0.076 33.8)
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 #90D9EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.031
- Celeste #A8DADC ΔE 0.031
- Sky Blue #87CEEB ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.049
- Robin's Egg #6DEDFD ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.055
Use #90D9EA 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.