#90DFDD
Closest named color: Celeste (#A8DADC). oklch(85.2% 0.078 193.7), rgb(144, 223, 221).
Aa
Black text reads best on this color (13.78:1).
About this color
#90DFDD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.078 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.027 away. Black text reads best on it, at 13.78:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.78:1 |
| White text | 1.52:1 |
Values
| HEX | #90DFDD |
| RGB | rgb(144, 223, 221) |
| HSL | hsl(178, 55%, 72%) |
| OKLCH | oklch(85.2% 0.078 193.7) |
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 #90DFDD | 1.52:1 | Fails | Lc -27.4 | Dividers and decoration only |
| Black text on #90DFDD | 13.78:1 | AAA | Lc 79.5 | Fine for body text |
| #90DFDD text on white | 1.52:1 | Fails | Lc 24.2 | Dividers and decoration only |
| #90DFDD text on black | 13.78:1 | AAA | Lc -78.9 | 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
#ECF8F8
oklch(97% 0.013 196.9)
-
Step 100
100
#D5F0EF
oklch(93.5% 0.028 194)
-
Step 200
200 (this color)
#90DFDD
oklch(85.2% 0.078 193.7)
-
Step 300
300
#69D5D3
oklch(80.9% 0.1 193.7)
-
Step 400
400
#00B8B6
oklch(70.8% 0.121 193.4)
-
Step 500
500
#009D9C
oklch(63% 0.108 194)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#90DFDD 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) | #D6D8DD | 0.082 |
| Deuteranopia (no green cones) | #C7CDDE | 0.076 |
| Tritanopia (no blue cones) | #71E3DE | 0.027 |
| Achromatopsia (no color) | #D1D1D1 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DFDD
#90DFDD
oklch(85.2% 0.078 193.7)
- #FDBABF
#FDBABF
oklch(85.2% 0.078 13.9)
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 #90DFDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.027
- Powder Blue #B0E0E6 ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.040
- Light Teal #90E4C1 ΔE 0.046
- Tiffany Blue #94D2BD ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.051
- Robin's Egg Blue #98EFF9 ΔE 0.051
- Robin Egg Blue #8AF1FE ΔE 0.055
Use #90DFDD 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.