#78D8EA
Closest named color: Sky Blue (#87CEEB). oklch(83% 0.094 211.1), rgb(120, 216, 234).
Aa
Black text reads best on this color (12.80:1).
About this color
#78D8EA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.094 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.030 away. Black text reads best on it, at 12.80:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.80:1 |
| White text | 1.63:1 |
Values
| HEX | #78D8EA |
| RGB | rgb(120, 216, 234) |
| HSL | hsl(189, 73%, 69%) |
| OKLCH | oklch(83% 0.094 211.1) |
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 #78D8EA | 1.63:1 | Fails | Lc -31.9 | Non-text elements, placeholder text |
| Black text on #78D8EA | 12.80:1 | AAA | Lc 75.6 | Fine for body text |
| #78D8EA text on white | 1.63:1 | Fails | Lc 28.2 | Dividers and decoration only |
| #78D8EA text on black | 12.80:1 | AAA | Lc -74.7 | Content text, not long reading |
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
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100
#D6EFF4
oklch(93.5% 0.027 211.1)
-
Step 200
200
#B2E3ED
oklch(88.5% 0.052 211.5)
-
Step 300
300 (this color)
#78D8EA
oklch(83% 0.094 211.1)
-
Step 400
400
#00B4CC
oklch(70.6% 0.123 211.4)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#78D8EA 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) | #C9D2EB | 0.089 |
| Deuteranopia (no green cones) | #B7C4EA | 0.081 |
| Tritanopia (no blue cones) | #35E0DD | 0.052 |
| Achromatopsia (no color) | #CACACA | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78D8EA
#78D8EA
oklch(83% 0.094 211.1)
- #FEB1A2
#FEB1A2
oklch(83% 0.093 31.4)
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 #78D8EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.030
- Light Sky Blue #87CEFA ΔE 0.043
- Celeste #A8DADC ΔE 0.051
- Aqua Blue #02D8E9 ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.052
- Sky #82CAFC ΔE 0.053
- Light Blue #ADD8E6 ΔE 0.053
- Robin's Egg #6DEDFD ΔE 0.055
Use #78D8EA 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.