#78C8A1
Closest named color: Medium Aquamarine (#66CDAA). oklch(77% 0.098 161.7), rgb(120, 200, 161).
Aa
Black text reads best on this color (10.57:1).
About this color
#78C8A1 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.098 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.019 away. Black text reads best on it, at 10.57:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.57:1 |
| White text | 1.98:1 |
Values
| HEX | #78C8A1 |
| RGB | rgb(120, 200, 161) |
| HSL | hsl(151, 42%, 63%) |
| OKLCH | oklch(77% 0.098 161.7) |
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 #78C8A1 | 1.98:1 | Fails | Lc -42.7 | Non-text elements, placeholder text |
| Black text on #78C8A1 | 10.57:1 | AAA | Lc 65.7 | Content text, not long reading |
| #78C8A1 text on white | 1.98:1 | Fails | Lc 38.3 | Non-text elements, placeholder text |
| #78C8A1 text on black | 10.57:1 | AAA | Lc -64.1 | 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
#EEF8F3
oklch(97% 0.012 164.8)
-
Step 100
100
#DAF0E4
oklch(93.6% 0.028 162.1)
-
Step 200
200
#BAE5CE
oklch(88.5% 0.055 161.7)
-
Step 300
300 (this color)
#78C8A1
oklch(77% 0.098 161.7)
-
Step 400
400
#00BE82
oklch(70.8% 0.156 161.8)
-
Step 500
500
#00A36F
oklch(63.2% 0.139 161.8)
-
Step 600
600
#00895C
oklch(55.7% 0.123 161.5)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#78C8A1 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) | #C6BD9F | 0.095 |
| Deuteranopia (no green cones) | #B9B4A3 | 0.092 |
| Tritanopia (no blue cones) | #64C8BD | 0.041 |
| Achromatopsia (no color) | #B8B8B8 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78C8A1
#78C8A1
oklch(77% 0.098 161.7)
- #E09CC6
#E09CC6
oklch(77.1% 0.097 342)
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 #78C8A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.019
- Pale Teal #82CBB2 ΔE 0.027
- Seafoam Blue #78D1B6 ΔE 0.032
- Dark Sea Green #8FBC8F ΔE 0.037
- Tiffany Blue #94D2BD ΔE 0.055
- Muted Teal #90B494 ΔE 0.055
- Soft Green #6FC276 ΔE 0.057
- Lichen #8FB67B ΔE 0.058
Use #78C8A1 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.