#78D4E1
Closest named color: Sky Blue (#87CEEB). oklch(81.8% 0.09 207.3), rgb(120, 212, 225).
Aa
Black text reads best on this color (12.30:1).
About this color
#78D4E1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.090 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.029 away. Black text reads best on it, at 12.30:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.30:1 |
| White text | 1.70:1 |
Values
| HEX | #78D4E1 |
| RGB | rgb(120, 212, 225) |
| HSL | hsl(187, 64%, 68%) |
| OKLCH | oklch(81.8% 0.09 207.3) |
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 #78D4E1 | 1.70:1 | Fails | Lc -34.2 | Non-text elements, placeholder text |
| Black text on #78D4E1 | 12.30:1 | AAA | Lc 73.4 | Content text, not long reading |
| #78D4E1 text on white | 1.70:1 | Fails | Lc 30.4 | Non-text elements, placeholder text |
| #78D4E1 text on black | 12.30:1 | AAA | Lc -72.3 | 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
#EDF8FA
oklch(97.1% 0.012 209.8)
-
Step 100
100
#D7EFF3
oklch(93.6% 0.026 208.7)
-
Step 200
200
#B4E3EA
oklch(88.5% 0.049 207.5)
-
Step 300
300 (this color)
#78D4E1
oklch(81.8% 0.09 207.3)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#78D4E1 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) | #C6CEE2 | 0.087 |
| Deuteranopia (no green cones) | #B5C1E1 | 0.079 |
| Tritanopia (no blue cones) | #40DBD8 | 0.044 |
| Achromatopsia (no color) | #C6C6C6 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78D4E1
#78D4E1
oklch(81.8% 0.09 207.3)
- #F8ADA4
#F8ADA4
oklch(81.7% 0.09 26.8)
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 #78D4E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.029
- Light Sky Blue #87CEFA ΔE 0.047
- Medium Turquoise #48D1CC ΔE 0.049
- Aqua Blue #02D8E9 ΔE 0.049
- Lightblue #7BC8F6 ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.053
- Celeste #A8DADC ΔE 0.054
- Vivid Sky Blue #4CC9F0 ΔE 0.055
Use #78D4E1 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.