#3FAB5F
Closest named color: Seaweed Green (#35AD6B). oklch(66.1% 0.149 150), rgb(63, 171, 95).
Aa
Black text reads best on this color (7.20:1).
About this color
#3FAB5F is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.149 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 0.014 away. Black text reads best on it, at 7.20:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #3FAB5F |
| RGB | rgb(63, 171, 95) |
| HSL | hsl(138, 46%, 46%) |
| OKLCH | oklch(66.1% 0.149 150) |
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 #3FAB5F | 2.91:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #3FAB5F | 7.20:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #3FAB5F text on white | 2.91:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #3FAB5F text on black | 7.20:1 | AAA | Lc -46.6 | 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
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C7E1CB
oklch(88.5% 0.041 149.8)
-
Step 300
300
#9FCEA8
oklch(80.8% 0.073 150.3)
-
Step 400
400
#67B579
oklch(70.7% 0.117 150)
-
Step 500
500 (this color)
#3FAB5F
oklch(66.1% 0.149 150)
-
Step 600
600
#008B3E
oklch(55.6% 0.154 149.9)
-
Step 700
700
#007533
oklch(49.1% 0.136 149.9)
-
Step 800
800
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#0B4F24
oklch(37.6% 0.096 150.2)
-
Step 950
950
#0B2F15
oklch(27.2% 0.063 149.4)
#3FAB5F 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) | #AC9D59 | 0.123 |
| Deuteranopia (no green cones) | #9E9364 | 0.122 |
| Tritanopia (no blue cones) | #1BA899 | 0.083 |
| Achromatopsia (no color) | #979797 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FAB5F
#3FAB5F
oklch(66.1% 0.149 150)
- #C46DBD
#C46DBD
oklch(66% 0.149 330.1)
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 #3FAB5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.014
- Jade Green #2BAF6A ΔE 0.015
- Algae #54AC68 ΔE 0.021
- Dark Pastel Green #56AE57 ΔE 0.022
- Mid Green #50A747 ΔE 0.025
- Medium Sea Green #3CB371 ΔE 0.027
- Dark Seafoam Green #3EAF76 ΔE 0.028
- Fern #63A950 ΔE 0.029
Use #3FAB5F 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.