#78DCA8
Closest named color: Seafoam Blue (#78D1B6). oklch(81.9% 0.121 159.4), rgb(120, 220, 168).
Aa
Black text reads best on this color (12.60:1).
About this color
#78DCA8 is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.121 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.042 away. Black text reads best on it, at 12.60:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.60:1 |
| White text | 1.66:1 |
Values
| HEX | #78DCA8 |
| RGB | rgb(120, 220, 168) |
| HSL | hsl(149, 59%, 67%) |
| OKLCH | oklch(81.9% 0.121 159.4) |
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 #78DCA8 | 1.66:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #78DCA8 | 12.60:1 | AAA | Lc 74.7 | Content text, not long reading |
| #78DCA8 text on white | 1.66:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #78DCA8 text on black | 12.60:1 | AAA | Lc -73.7 | 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
#EDF9F2
oklch(97.1% 0.016 160.6)
-
Step 100
100
#D7F2E2
oklch(93.7% 0.035 159.7)
-
Step 200
200
#B4E7CA
oklch(88.5% 0.066 159.8)
-
Step 300
300 (this color)
#78DCA8
oklch(81.9% 0.121 159.4)
-
Step 400
400
#00BE7C
oklch(70.7% 0.161 159.6)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#78DCA8 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) | #DACFA5 | 0.114 |
| Deuteranopia (no green cones) | #CBC4AB | 0.111 |
| Tritanopia (no blue cones) | #5EDBCE | 0.054 |
| Achromatopsia (no color) | #C8C8C8 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DCA8
#78DCA8
oklch(81.9% 0.121 159.4)
- #F8A5DD
#F8A5DD
oklch(82% 0.12 339.6)
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 #78DCA8, closest first.
No curated palette has a color within ΔE 0.04 of #78DCA8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.042
- Hospital Green #9BE5AA ΔE 0.044
- Light Teal #90E4C1 ΔE 0.045
- Aqua Marine #2EE8BB ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.054
- Tiffany Blue #94D2BD ΔE 0.054
- Turquoise #40E0D0 ΔE 0.057
Use #78DCA8 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.