#78DAE1
Closest named color: Sky Blue (#87CEEB). oklch(83.1% 0.093 201.6), rgb(120, 218, 225).
Aa
Black text reads best on this color (12.91:1).
About this color
#78DAE1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.093 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.042 away. Black text reads best on it, at 12.91:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #78DAE1 |
| RGB | rgb(120, 218, 225) |
| HSL | hsl(184, 64%, 68%) |
| OKLCH | oklch(83.1% 0.093 201.6) |
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 #78DAE1 | 1.62:1 | Fails | Lc -31.4 | Non-text elements, placeholder text |
| Black text on #78DAE1 | 12.91:1 | AAA | Lc 76.0 | Fine for body text |
| #78DAE1 text on white | 1.62:1 | Fails | Lc 27.8 | Dividers and decoration only |
| #78DAE1 text on black | 12.91:1 | AAA | Lc -75.1 | 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
#ECF8F9
oklch(97% 0.013 202.9)
-
Step 100
100
#D6F0F1
oklch(93.7% 0.027 199.5)
-
Step 200
200
#B2E4E7
oklch(88.5% 0.052 200.8)
-
Step 300
300 (this color)
#78DAE1
oklch(83.1% 0.093 201.6)
-
Step 400
400
#00B6C0
oklch(70.7% 0.12 201.8)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#78DAE1 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) | #CDD2E2 | 0.094 |
| Deuteranopia (no green cones) | #BCC5E2 | 0.088 |
| Tritanopia (no blue cones) | #3DE0DC | 0.041 |
| Achromatopsia (no color) | #CBCBCB | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DAE1
#78DAE1
oklch(83.1% 0.093 201.6)
- #FFB0AD
#FFB0AD
oklch(83.2% 0.093 21.7)
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 #78DAE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.042
- Celeste #A8DADC ΔE 0.047
- Turquoise #40E0D0 ΔE 0.050
- Tiffany Blue #94D2BD ΔE 0.050
- Aqua Blue #02D8E9 ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.053
- Robin's Egg #6DEDFD ΔE 0.054
- Light Blue #ADD8E6 ΔE 0.055
Use #78DAE1 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.