#3FA55B
Closest named color: Seaweed Green (#35AD6B). oklch(64.4% 0.144 149.5), rgb(63, 165, 91).
Aa
Black text reads best on this color (6.74:1).
About this color
#3FA55B is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.144 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.025 away. Black text reads best on it, at 6.74:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #3FA55B |
| RGB | rgb(63, 165, 91) |
| HSL | hsl(136, 45%, 45%) |
| OKLCH | oklch(64.4% 0.144 149.5) |
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 #3FA55B | 3.11:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #3FA55B | 6.74:1 | AA | Lc 46.2 | Large or bold text, headings |
| #3FA55B text on white | 3.11:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #3FA55B text on black | 6.74:1 | AA | Lc -43.9 | Non-text elements, placeholder text |
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
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CC
oklch(88.5% 0.039 150)
-
Step 300
300
#A1CEA8
oklch(80.9% 0.071 149.2)
-
Step 400
400
#6AB47A
oklch(70.6% 0.113 149.7)
-
Step 500
500 (this color)
#3FA55B
oklch(64.4% 0.144 149.5)
-
Step 600
600
#008B3C
oklch(55.6% 0.155 149.4)
-
Step 700
700
#007532
oklch(49.1% 0.137 149.6)
-
Step 800
800
#006028
oklch(42.7% 0.119 149.7)
-
Step 900
900
#104F24
oklch(37.8% 0.095 149.4)
-
Step 950
950
#0D2E16
oklch(26.9% 0.059 149.7)
#3FA55B 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) | #A69855 | 0.118 |
| Deuteranopia (no green cones) | #998E60 | 0.118 |
| Tritanopia (no blue cones) | #21A293 | 0.080 |
| Achromatopsia (no color) | #929292 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA55B
#3FA55B
oklch(64.4% 0.144 149.5)
- #BD6AB7
#BD6AB7
oklch(64.4% 0.144 329.8)
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 #3FA55B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.025
- Mid Green #50A747 ΔE 0.026
- Muted Green #5FA052 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.029
- Algae #54AC68 ΔE 0.031
- Jade #1FA774 ΔE 0.031
- Fern #63A950 ΔE 0.035
- Dark Pastel Green #56AE57 ΔE 0.035
Use #3FA55B 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.