#3FAC64
Closest named color: Seaweed Green (#35AD6B). oklch(66.4% 0.145 151.4), rgb(63, 172, 100).
Aa
Black text reads best on this color (7.29:1).
About this color
#3FAC64 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.145 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.009 away. Black text reads best on it, at 7.29:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #3FAC64 |
| RGB | rgb(63, 172, 100) |
| HSL | hsl(140, 46%, 46%) |
| OKLCH | oklch(66.4% 0.145 151.4) |
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 #3FAC64 | 2.87:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #3FAC64 | 7.29:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #3FAC64 text on white | 2.87:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #3FAC64 text on black | 7.29:1 | AAA | Lc -47.1 | 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 500.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C7E1CC
oklch(88.5% 0.04 151.1)
-
Step 300
300
#9FCEAA
oklch(80.8% 0.071 151.7)
-
Step 400
400
#67B57C
oklch(70.8% 0.114 151.2)
-
Step 500
500 (this color)
#3FAC64
oklch(66.4% 0.145 151.4)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#094F26
oklch(37.6% 0.095 151.5)
-
Step 950
950
#0A2E17
oklch(26.8% 0.059 152)
#3FAC64 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) | #AD9E5F | 0.124 |
| Deuteranopia (no green cones) | #9E9469 | 0.121 |
| Tritanopia (no blue cones) | #16A99A | 0.078 |
| Achromatopsia (no color) | #989898 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FAC64
#3FAC64
oklch(66.4% 0.145 151.4)
- #C56FBC
#C56FBC
oklch(66.4% 0.146 331)
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 #3FAC64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.009
- Jade Green #2BAF6A ΔE 0.012
- Algae #54AC68 ΔE 0.017
- Medium Sea Green #3CB371 ΔE 0.022
- Dark Seafoam Green #3EAF76 ΔE 0.022
- Dark Pastel Green #56AE57 ΔE 0.023
- Bluey Green #2BB179 ΔE 0.026
- Green Teal #0CB577 ΔE 0.030
Use #3FAC64 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.