#78CFBA
Closest named color: Seafoam Blue (#78D1B6). oklch(79.4% 0.09 176.5), rgb(120, 207, 186).
Aa
Black text reads best on this color (11.43:1).
About this color
#78CFBA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.090 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.009 away. Black text reads best on it, at 11.43:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 11.43:1 |
| White text | 1.83:1 |
Values
| HEX | #78CFBA |
| RGB | rgb(120, 207, 186) |
| HSL | hsl(166, 48%, 64%) |
| OKLCH | oklch(79.4% 0.09 176.5) |
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 #78CFBA | 1.83:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #78CFBA | 11.43:1 | AAA | Lc 69.6 | Content text, not long reading |
| #78CFBA text on white | 1.83:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #78CFBA text on black | 11.43:1 | AAA | Lc -68.3 | 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
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#D9F0E9
oklch(93.6% 0.026 175.6)
-
Step 200
200
#B7E5D8
oklch(88.6% 0.051 176)
-
Step 300
300 (this color)
#78CFBA
oklch(79.4% 0.09 176.5)
-
Step 400
400
#00BB9E
oklch(70.8% 0.132 176.2)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#78CFBA 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) | #C9C5B9 | 0.095 |
| Deuteranopia (no green cones) | #BBBBBC | 0.091 |
| Tritanopia (no blue cones) | #59D1C9 | 0.028 |
| Achromatopsia (no color) | #BFBFBF | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CFBA
#78CFBA
oklch(79.4% 0.09 176.5)
- #EBA4BD
#EBA4BD
oklch(79.4% 0.089 356.5)
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 #78CFBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.009
- Pale Teal #82CBB2 ΔE 0.014
- Medium Aquamarine #66CDAA ΔE 0.029
- Tiffany Blue #94D2BD ΔE 0.031
- Medium Turquoise #48D1CC ΔE 0.038
- Turquoise #40E0D0 ΔE 0.052
- Dark Turquoise #00CED1 ΔE 0.060
- Dark Sea Green #8FBC8F ΔE 0.064
Use #78CFBA 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.