#3EC178
Closest named color: Dark Mint (#48C072). oklch(72.2% 0.156 154.6), rgb(62, 193, 120).
Aa
Black text reads best on this color (9.10:1).
About this color
#3EC178 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.156 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.008 away. Black text reads best on it, at 9.10:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.10:1 |
| White text | 2.30:1 |
Values
| HEX | #3EC178 |
| RGB | rgb(62, 193, 120) |
| HSL | hsl(147, 51%, 50%) |
| OKLCH | oklch(72.2% 0.156 154.6) |
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 #3EC178 | 2.30:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #3EC178 | 9.10:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #3EC178 text on white | 2.30:1 | Fails | Lc 45.1 | Large or bold text, headings |
| #3EC178 text on black | 9.10:1 | AAA | Lc -57.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DCF0E2
oklch(93.6% 0.028 155.3)
-
Step 200
200
#BEE4CA
oklch(88.4% 0.053 155.3)
-
Step 300
300
#8DD4A5
oklch(81% 0.098 154.7)
-
Step 400
400 (this color)
#3EC178
oklch(72.2% 0.156 154.6)
-
Step 500
500
#00A45C
oklch(63.1% 0.158 154.5)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#3EC178 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) | #C0B273 | 0.137 |
| Deuteranopia (no green cones) | #B0A67D | 0.135 |
| Tritanopia (no blue cones) | #00BFAF | 0.077 |
| Achromatopsia (no color) | #ABABAB | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3EC178
#3EC178
oklch(72.2% 0.156 154.6)
- #DF7DCC
#DF7DCC
oklch(72.2% 0.155 334.7)
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 #3EC178, closest first.
No curated palette has a color within ΔE 0.04 of #3EC178.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.008
- Dark Mint Green #20C073 ΔE 0.015
- Algae Green #21C36F ΔE 0.019
- Greenblue #23C48B ΔE 0.023
- Green Blue #01C08D ΔE 0.031
- Cool Green #33B864 ΔE 0.033
- Soft Green #6FC276 ΔE 0.036
- Medium Sea Green #3CB371 ΔE 0.040
Use #3EC178 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.