#3FA65B
Closest named color: Seaweed Green (#35AD6B). oklch(64.7% 0.146 149.4), rgb(63, 166, 91).
Aa
Black text reads best on this color (6.81:1).
About this color
#3FA65B is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.146 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.023 away. Black text reads best on it, at 6.81:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #3FA65B |
| RGB | rgb(63, 166, 91) |
| HSL | hsl(136, 45%, 45%) |
| OKLCH | oklch(64.7% 0.146 149.4) |
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 #3FA65B | 3.08:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #3FA65B | 6.81:1 | AA | Lc 46.7 | Large or bold text, headings |
| #3FA65B text on white | 3.08:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #3FA65B text on black | 6.81:1 | AA | Lc -44.4 | 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
#C8E1CB
oklch(88.5% 0.04 148.7)
-
Step 300
300
#A1CEA8
oklch(80.9% 0.071 149.2)
-
Step 400
400
#6AB479
oklch(70.6% 0.114 149.3)
-
Step 500
500 (this color)
#3FA65B
oklch(64.7% 0.146 149.4)
-
Step 600
600
#008B3C
oklch(55.6% 0.155 149.4)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#0F4F24
oklch(37.7% 0.095 149.6)
-
Step 950
950
#0C2E15
oklch(26.9% 0.06 149.3)
#3FA65B 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) | #A79855 | 0.120 |
| Deuteranopia (no green cones) | #9A8F60 | 0.118 |
| Tritanopia (no blue cones) | #20A394 | 0.082 |
| Achromatopsia (no color) | #939393 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA65B
#3FA65B
oklch(64.7% 0.146 149.4)
- #BE6AB9
#BE6AB9
oklch(64.6% 0.147 329.3)
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 #3FA65B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.023
- Mid Green #50A747 ΔE 0.024
- Jade Green #2BAF6A ΔE 0.026
- Muted Green #5FA052 ΔE 0.027
- Algae #54AC68 ΔE 0.029
- Jade #1FA774 ΔE 0.032
- Dark Pastel Green #56AE57 ΔE 0.032
- Fern #63A950 ΔE 0.033
Use #3FA65B 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.