#78DBB4
Closest named color: Seafoam Blue (#78D1B6). oklch(82% 0.11 166.2), rgb(120, 219, 180).
Aa
Black text reads best on this color (12.59:1).
About this color
#78DBB4 is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.110 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.029 away. Black text reads best on it, at 12.59:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.59:1 |
| White text | 1.66:1 |
Values
| HEX | #78DBB4 |
| RGB | rgb(120, 219, 180) |
| HSL | hsl(156, 58%, 66%) |
| OKLCH | oklch(82% 0.11 166.2) |
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 #78DBB4 | 1.66:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #78DBB4 | 12.59:1 | AAA | Lc 74.6 | Content text, not long reading |
| #78DBB4 text on white | 1.66:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #78DBB4 text on black | 12.59:1 | 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
#EDF9F3
oklch(97.2% 0.015 164.7)
-
Step 100
100
#D7F1E5
oklch(93.6% 0.032 166.2)
-
Step 200
200
#B4E7D0
oklch(88.6% 0.061 165.7)
-
Step 300
300 (this color)
#78DBB4
oklch(82% 0.11 166.2)
-
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
#007253
oklch(49% 0.101 166.2)
-
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)
#78DBB4 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) | #D7CFB2 | 0.110 |
| Deuteranopia (no green cones) | #C8C4B6 | 0.106 |
| Tritanopia (no blue cones) | #59DBD0 | 0.042 |
| Achromatopsia (no color) | #C8C8C8 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DBB4
#78DBB4
oklch(82% 0.11 166.2)
- #F8A7D3
#F8A7D3
oklch(82% 0.11 346)
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 #78DBB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.029
- Light Teal #90E4C1 ΔE 0.038
- Tiffany Blue #94D2BD ΔE 0.041
- Medium Aquamarine #66CDAA ΔE 0.044
- Pale Teal #82CBB2 ΔE 0.044
- Turquoise #40E0D0 ΔE 0.045
- Aqua Marine #2EE8BB ΔE 0.048
- Hospital Green #9BE5AA ΔE 0.049
Use #78DBB4 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.