#3FD076
Closest named color: Seaweed (#18D17B). oklch(76% 0.177 151.8), rgb(63, 208, 118).
Aa
Black text reads best on this color (10.49:1).
About this color
#3FD076 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.177 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.012 away. Black text reads best on it, at 10.49:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.49:1 |
| White text | 2.00:1 |
Values
| HEX | #3FD076 |
| RGB | rgb(63, 208, 118) |
| HSL | hsl(143, 61%, 53%) |
| OKLCH | oklch(76% 0.177 151.8) |
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 #3FD076 | 2.00:1 | Fails | Lc -42.7 | Non-text elements, placeholder text |
| Black text on #3FD076 | 10.49:1 | AAA | Lc 65.6 | Content text, not long reading |
| #3FD076 text on white | 2.00:1 | Fails | Lc 38.3 | Non-text elements, placeholder text |
| #3FD076 text on black | 10.49:1 | AAA | Lc -64.1 | 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
#EAFAEE
oklch(97% 0.023 153.5)
-
Step 100
100
#D2F4D9
oklch(93.5% 0.051 151.4)
-
Step 200
200
#A8ECB9
oklch(88.4% 0.098 151.8)
-
Step 300
300 (this color)
#3FD076
oklch(76% 0.177 151.8)
-
Step 400
400
#00C062
oklch(70.7% 0.187 151.9)
-
Step 500
500
#00A553
oklch(63.2% 0.167 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#3FD076 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) | #D1BF6F | 0.151 |
| Deuteranopia (no green cones) | #BFB27C | 0.148 |
| Tritanopia (no blue cones) | #00CDBA | 0.093 |
| Achromatopsia (no color) | #B7B7B7 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FD076
#3FD076
oklch(76% 0.177 151.8)
- #F083E3
#F083E3
oklch(76.1% 0.176 331.7)
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 #3FD076, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.012
- Algae Green #21C36F ΔE 0.041
- Dark Mint #48C072 ΔE 0.045
- Soft Green #6FC276 ΔE 0.048
- Aqua Green #12E193 ΔE 0.049
- Emerald #06D6A0 ΔE 0.049
- Dark Mint Green #20C073 ΔE 0.050
- Greenblue #23C48B ΔE 0.051
Use #3FD076 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.