#3ECF82
Closest named color: Seaweed (#18D17B). oklch(76% 0.165 155.4), rgb(62, 207, 130).
Aa
Black text reads best on this color (10.45:1).
About this color
#3ECF82 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.165 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.018 away. Black text reads best on it, at 10.45:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.45:1 |
| White text | 2.00:1 |
Values
| HEX | #3ECF82 |
| RGB | rgb(62, 207, 130) |
| HSL | hsl(148, 60%, 53%) |
| OKLCH | oklch(76% 0.165 155.4) |
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 #3ECF82 | 2.00:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #3ECF82 | 10.45:1 | AAA | Lc 65.4 | Content text, not long reading |
| #3ECF82 text on white | 2.00:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #3ECF82 text on black | 10.45:1 | AAA | Lc -63.8 | 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
#EAFAEF
oklch(97% 0.022 155.9)
-
Step 100
100
#D2F4DC
oklch(93.6% 0.048 154.6)
-
Step 200
200
#A8ECBF
oklch(88.6% 0.092 155.1)
-
Step 300
300 (this color)
#3ECF82
oklch(76% 0.165 155.4)
-
Step 400
400
#00BF6F
oklch(70.7% 0.174 155.3)
-
Step 500
500
#00A45F
oklch(63.2% 0.155 155.5)
-
Step 600
600
#008A4F
oklch(55.7% 0.136 155.4)
-
Step 700
700
#007441
oklch(49.1% 0.121 155.2)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#004F2B
oklch(37.6% 0.092 155.5)
-
Step 950
950
#003018
oklch(27.2% 0.067 155.5)
#3ECF82 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) | #CEBF7D | 0.147 |
| Deuteranopia (no green cones) | #BCB287 | 0.144 |
| Tritanopia (no blue cones) | #00CDBB | 0.079 |
| Achromatopsia (no color) | #B7B7B7 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3ECF82
#3ECF82
oklch(76% 0.165 155.4)
- #F085DA
#F085DA
oklch(76% 0.166 335.2)
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 #3ECF82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.018
- Emerald #06D6A0 ΔE 0.037
- Greenblue #23C48B ΔE 0.040
- Dark Mint #48C072 ΔE 0.041
- Algae Green #21C36F ΔE 0.041
- Soft Green #6FC276 ΔE 0.043
- Dark Mint Green #20C073 ΔE 0.047
- Aqua Green #12E193 ΔE 0.048
Use #3ECF82 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.