#78D8BB
Closest named color: Seafoam Blue (#78D1B6). oklch(81.5% 0.101 172), rgb(120, 216, 187).
Aa
Black text reads best on this color (12.33:1).
About this color
#78D8BB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.101 and its hue 172°. 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 12.33:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.33:1 |
| White text | 1.70:1 |
Values
| HEX | #78D8BB |
| RGB | rgb(120, 216, 187) |
| HSL | hsl(162, 55%, 66%) |
| OKLCH | oklch(81.5% 0.101 172) |
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 #78D8BB | 1.70:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #78D8BB | 12.33:1 | AAA | Lc 73.5 | Content text, not long reading |
| #78D8BB text on white | 1.70:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #78D8BB text on black | 12.33:1 | AAA | Lc -72.5 | 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
#EDF9F4
oklch(97.2% 0.014 169.3)
-
Step 100
100
#D7F1E8
oklch(93.7% 0.03 172.8)
-
Step 200
200
#B4E6D5
oklch(88.5% 0.057 172.2)
-
Step 300
300 (this color)
#78D8BB
oklch(81.5% 0.101 172)
-
Step 400
400
#00BC97
oklch(70.8% 0.137 171.9)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#78D8BB 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) | #D3CDBA | 0.105 |
| Deuteranopia (no green cones) | #C3C2BD | 0.100 |
| Tritanopia (no blue cones) | #57DACF | 0.032 |
| Achromatopsia (no color) | #C6C6C6 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78D8BB
#78D8BB
oklch(81.5% 0.101 172)
- #F6A7C9
#F6A7C9
oklch(81.4% 0.102 352.2)
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 #78D8BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.019
- Tiffany Blue #94D2BD ΔE 0.031
- Pale Teal #82CBB2 ΔE 0.034
- Medium Aquamarine #66CDAA ΔE 0.040
- Turquoise #40E0D0 ΔE 0.040
- Light Teal #90E4C1 ΔE 0.042
- Medium Turquoise #48D1CC ΔE 0.049
- Aqua Marine #2EE8BB ΔE 0.057
Use #78D8BB 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.