#78DAAF
Closest named color: Seafoam Blue (#78D1B6). oklch(81.6% 0.112 163.7), rgb(120, 218, 175).
Aa
Black text reads best on this color (12.44:1).
About this color
#78DAAF is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.112 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.030 away. Black text reads best on it, at 12.44:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.44:1 |
| White text | 1.68:1 |
Values
| HEX | #78DAAF |
| RGB | rgb(120, 218, 175) |
| HSL | hsl(154, 57%, 66%) |
| OKLCH | oklch(81.6% 0.112 163.7) |
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 #78DAAF | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #78DAAF | 12.44:1 | AAA | Lc 74.0 | Content text, not long reading |
| #78DAAF text on white | 1.68:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #78DAAF text on black | 12.44:1 | AAA | Lc -73.0 | 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
#D7F1E4
oklch(93.6% 0.032 164.2)
-
Step 200
200
#B4E7CE
oklch(88.6% 0.063 163.6)
-
Step 300
300 (this color)
#78DAAF
oklch(81.6% 0.112 163.7)
-
Step 400
400
#00BD86
oklch(70.7% 0.151 163.7)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#78DAAF 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) | #D7CEAD | 0.110 |
| Deuteranopia (no green cones) | #C8C3B2 | 0.107 |
| Tritanopia (no blue cones) | #5BDACE | 0.045 |
| Achromatopsia (no color) | #C7C7C7 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DAAF
#78DAAF
oklch(81.6% 0.112 163.7)
- #F7A5D5
#F7A5D5
oklch(81.6% 0.113 343.9)
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 #78DAAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.030
- Medium Aquamarine #66CDAA ΔE 0.041
- Light Teal #90E4C1 ΔE 0.042
- Tiffany Blue #94D2BD ΔE 0.044
- Pale Teal #82CBB2 ΔE 0.044
- Aqua Marine #2EE8BB ΔE 0.049
- Turquoise #40E0D0 ΔE 0.049
- Hospital Green #9BE5AA ΔE 0.049
Use #78DAAF 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.