#78CA91
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.1% 0.115 152.7), rgb(120, 202, 145).
Aa
Black text reads best on this color (10.65:1).
About this color
#78CA91 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.115 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.032 away. Black text reads best on it, at 10.65:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.65:1 |
| White text | 1.97:1 |
Values
| HEX | #78CA91 |
| RGB | rgb(120, 202, 145) |
| HSL | hsl(138, 44%, 63%) |
| OKLCH | oklch(77.1% 0.115 152.7) |
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 #78CA91 | 1.97:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #78CA91 | 10.65:1 | AAA | Lc 66.0 | Content text, not long reading |
| #78CA91 text on white | 1.97:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #78CA91 text on black | 10.65:1 | AAA | Lc -64.5 | 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
#EEF9F1
oklch(97.2% 0.016 154.5)
-
Step 100
100
#DAF1DF
oklch(93.6% 0.034 152.1)
-
Step 200
200
#BAE6C5
oklch(88.5% 0.064 152.6)
-
Step 300
300 (this color)
#78CA91
oklch(77.1% 0.115 152.7)
-
Step 400
400
#00C065
oklch(70.8% 0.184 152.6)
-
Step 500
500
#00A456
oklch(63% 0.163 152.8)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F2F
oklch(42.5% 0.11 152.7)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#78CA91 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) | #CABE8E | 0.101 |
| Deuteranopia (no green cones) | #BEB594 | 0.099 |
| Tritanopia (no blue cones) | #69C8BB | 0.060 |
| Achromatopsia (no color) | #B9B9B9 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CA91
#78CA91
oklch(77.1% 0.115 152.7)
- #E099D5
#E099D5
oklch(77.1% 0.115 332.2)
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 #78CA91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.032
- Soft Green #6FC276 ΔE 0.038
- Dark Sea Green #8FBC8F ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.048
- Light Moss Green #A6C875 ΔE 0.054
- Lichen #8FB67B ΔE 0.055
- Emerald #06D6A0 ΔE 0.055
Use #78CA91 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.