#90DCE4
Closest named color: Celeste (#A8DADC). oklch(84.8% 0.076 204.3), rgb(144, 220, 228).
Aa
Black text reads best on this color (13.54:1).
About this color
#90DCE4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.076 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.026 away. Black text reads best on it, at 13.54:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.54:1 |
| White text | 1.55:1 |
Values
| HEX | #90DCE4 |
| RGB | rgb(144, 220, 228) |
| HSL | hsl(186, 61%, 73%) |
| OKLCH | oklch(84.8% 0.076 204.3) |
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 #90DCE4 | 1.55:1 | Fails | Lc -28.5 | Dividers and decoration only |
| Black text on #90DCE4 | 13.54:1 | AAA | Lc 78.5 | Fine for body text |
| #90DCE4 text on white | 1.55:1 | Fails | Lc 25.2 | Dividers and decoration only |
| #90DCE4 text on black | 13.54:1 | AAA | Lc -77.9 | 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
#ECF8F9
oklch(97% 0.013 202.9)
-
Step 100
100
#D5F0F3
oklch(93.6% 0.029 204.8)
-
Step 200
200 (this color)
#90DCE4
oklch(84.8% 0.076 204.3)
-
Step 300
300
#6BD3DE
oklch(80.9% 0.098 204.6)
-
Step 400
400
#00B6C3
oklch(70.8% 0.121 203.9)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#90DCE4 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) | #D1D6E5 | 0.076 |
| Deuteranopia (no green cones) | #C2CBE4 | 0.069 |
| Tritanopia (no blue cones) | #6EE2DE | 0.035 |
| Achromatopsia (no color) | #CFCFCF | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DCE4
#90DCE4
oklch(84.8% 0.076 204.3)
- #FBBAB5
#FBBAB5
oklch(84.7% 0.076 23.8)
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 #90DCE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.026
- Light Blue #ADD8E6 ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.037
- Sky Blue #87CEEB ΔE 0.045
- Robin's Egg #6DEDFD ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.053
- Robin's Egg Blue #98EFF9 ΔE 0.053
- Robin Egg Blue #8AF1FE ΔE 0.057
Use #90DCE4 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.