#78CEC0
Closest named color: Seafoam Blue (#78D1B6). oklch(79.3% 0.086 182.4), rgb(120, 206, 192).
Aa
Black text reads best on this color (11.38:1).
About this color
#78CEC0 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.086 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.019 away. Black text reads best on it, at 11.38:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 11.38:1 |
| White text | 1.84:1 |
Values
| HEX | #78CEC0 |
| RGB | rgb(120, 206, 192) |
| HSL | hsl(170, 47%, 64%) |
| OKLCH | oklch(79.3% 0.086 182.4) |
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 #78CEC0 | 1.84:1 | Fails | Lc -38.7 | Non-text elements, placeholder text |
| Black text on #78CEC0 | 11.38:1 | AAA | Lc 69.4 | Content text, not long reading |
| #78CEC0 text on white | 1.84:1 | Fails | Lc 34.5 | Non-text elements, placeholder text |
| #78CEC0 text on black | 11.38:1 | AAA | Lc -68.1 | 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
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#D9F0EB
oklch(93.7% 0.025 181.3)
-
Step 200
200
#B7E4DC
oklch(88.5% 0.048 183.2)
-
Step 300
300 (this color)
#78CEC0
oklch(79.3% 0.086 182.4)
-
Step 400
400
#00BAA7
oklch(70.8% 0.127 182.2)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#78CEC0 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) | #C7C5C0 | 0.092 |
| Deuteranopia (no green cones) | #B8BAC1 | 0.087 |
| Tritanopia (no blue cones) | #57D1CA | 0.026 |
| Achromatopsia (no color) | #BFBFBF | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CEC0
#78CEC0
oklch(79.3% 0.086 182.4)
- #EBA4B7
#EBA4B7
oklch(79.2% 0.087 1.7)
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 #78CEC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.019
- Pale Teal #82CBB2 ΔE 0.019
- Tiffany Blue #94D2BD ΔE 0.032
- Medium Turquoise #48D1CC ΔE 0.034
- Medium Aquamarine #66CDAA ΔE 0.037
- Turquoise #40E0D0 ΔE 0.053
- Dark Turquoise #00CED1 ΔE 0.056
- Sky Blue #87CEEB ΔE 0.066
Use #78CEC0 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.