#78D09E
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.9% 0.112 157.6), rgb(120, 208, 158).
Aa
Black text reads best on this color (11.31:1).
About this color
#78D09E is a light, moderately saturated green. In OKLCH its lightness is 79%, its chroma 0.112 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.025 away. Black text reads best on it, at 11.31:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.31:1 |
| White text | 1.85:1 |
Values
| HEX | #78D09E |
| RGB | rgb(120, 208, 158) |
| HSL | hsl(146, 48%, 64%) |
| OKLCH | oklch(78.9% 0.112 157.6) |
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 #78D09E | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #78D09E | 11.31:1 | AAA | Lc 69.0 | Content text, not long reading |
| #78D09E text on white | 1.85:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #78D09E text on black | 11.31:1 | AAA | Lc -67.7 | 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
#EEF9F2
oklch(97.2% 0.015 158.3)
-
Step 100
100
#D9F1E2
oklch(93.6% 0.032 158.3)
-
Step 200
200
#B8E6C9
oklch(88.5% 0.062 157.2)
-
Step 300
300 (this color)
#78D09E
oklch(78.9% 0.112 157.6)
-
Step 400
400
#00BE76
oklch(70.6% 0.166 157.6)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#78D09E 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) | #CFC49B | 0.104 |
| Deuteranopia (no green cones) | #C1BAA1 | 0.101 |
| Tritanopia (no blue cones) | #64CFC2 | 0.051 |
| Achromatopsia (no color) | #BEBEBE | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78D09E
#78D09E
oklch(78.9% 0.112 157.6)
- #E99ED4
#E99ED4
oklch(78.9% 0.112 337.5)
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 #78D09E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.025
- Seafoam Blue #78D1B6 ΔE 0.032
- Pale Teal #82CBB2 ΔE 0.037
- Emerald #06D6A0 ΔE 0.053
- Dark Sea Green #8FBC8F ΔE 0.054
- Tiffany Blue #94D2BD ΔE 0.054
- Soft Green #6FC276 ΔE 0.058
- Light Moss Green #A6C875 ΔE 0.060
Use #78D09E 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.