#78CEAA
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.7% 0.099 165.2), rgb(120, 206, 170).
Aa
Black text reads best on this color (11.20:1).
About this color
#78CEAA is a light, moderately saturated green. In OKLCH its lightness is 79%, its chroma 0.099 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.016 away. Black text reads best on it, at 11.20:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.20:1 |
| White text | 1.87:1 |
Values
| HEX | #78CEAA |
| RGB | rgb(120, 206, 170) |
| HSL | hsl(155, 47%, 64%) |
| OKLCH | oklch(78.7% 0.099 165.2) |
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 #78CEAA | 1.87:1 | Fails | Lc -39.5 | Non-text elements, placeholder text |
| Black text on #78CEAA | 11.20:1 | AAA | Lc 68.6 | Content text, not long reading |
| #78CEAA text on white | 1.87:1 | Fails | Lc 35.3 | Non-text elements, placeholder text |
| #78CEAA text on black | 11.20:1 | AAA | Lc -67.2 | 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
#D9F0E5
oklch(93.5% 0.028 165.4)
-
Step 200
200
#B8E5D0
oklch(88.4% 0.055 165.1)
-
Step 300
300 (this color)
#78CEAA
oklch(78.7% 0.099 165.2)
-
Step 400
400
#00BD8A
oklch(70.8% 0.148 165.3)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#78CEAA 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) | #CBC3A8 | 0.099 |
| Deuteranopia (no green cones) | #BDB9AC | 0.095 |
| Tritanopia (no blue cones) | #60CEC4 | 0.039 |
| Achromatopsia (no color) | #BDBDBD | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CEAA
#78CEAA
oklch(78.7% 0.099 165.2)
- #E8A0C8
#E8A0C8
oklch(78.7% 0.099 345.2)
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 #78CEAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.016
- Seafoam Blue #78D1B6 ΔE 0.016
- Pale Teal #82CBB2 ΔE 0.019
- Tiffany Blue #94D2BD ΔE 0.042
- Dark Sea Green #8FBC8F ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.052
- Emerald #06D6A0 ΔE 0.061
- Turquoise #40E0D0 ΔE 0.062
Use #78CEAA 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.