#78CDAB
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.5% 0.097 166.3), rgb(120, 205, 171).
Aa
Black text reads best on this color (11.11:1).
About this color
#78CDAB is a light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.097 and its hue 166°. 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 11.11:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.11:1 |
| White text | 1.88:1 |
Values
| HEX | #78CDAB |
| RGB | rgb(120, 205, 171) |
| HSL | hsl(156, 46%, 64%) |
| OKLCH | oklch(78.5% 0.097 166.3) |
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 #78CDAB | 1.88:1 | Fails | Lc -40.0 | Non-text elements, placeholder text |
| Black text on #78CDAB | 11.11:1 | AAA | Lc 68.2 | Content text, not long reading |
| #78CDAB text on white | 1.88:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #78CDAB text on black | 11.11:1 | AAA | Lc -66.8 | 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
#D9F0E6
oklch(93.5% 0.028 167.8)
-
Step 200
200
#B8E5D1
oklch(88.5% 0.054 166.3)
-
Step 300
300 (this color)
#78CDAB
oklch(78.5% 0.097 166.3)
-
Step 400
400
#00BD8C
oklch(70.8% 0.147 166.2)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#78CDAB 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) | #CAC2A9 | 0.098 |
| Deuteranopia (no green cones) | #BCB9AD | 0.093 |
| Tritanopia (no blue cones) | #60CDC3 | 0.036 |
| Achromatopsia (no color) | #BDBDBD | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CDAB
#78CDAB
oklch(78.5% 0.097 166.3)
- #E7A0C6
#E7A0C6
oklch(78.6% 0.097 346.2)
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 #78CDAB, 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 0.017
- Tiffany Blue #94D2BD ΔE 0.042
- Medium Turquoise #48D1CC ΔE 0.050
- Dark Sea Green #8FBC8F ΔE 0.050
- Turquoise #40E0D0 ΔE 0.062
- Emerald #06D6A0 ΔE 0.063
Use #78CDAB 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.