#3FA171
Closest named color: Jade (#1FA774). oklch(63.8% 0.118 158.9), rgb(63, 161, 113).
Aa
Black text reads best on this color (6.54:1).
About this color
#3FA171 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.118 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.020 away. Black text reads best on it, at 6.54:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #3FA171 |
| RGB | rgb(63, 161, 113) |
| HSL | hsl(151, 44%, 44%) |
| OKLCH | oklch(63.8% 0.118 158.9) |
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 #3FA171 | 3.20:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #3FA171 | 6.54:1 | AA | Lc 45.1 | Large or bold text, headings |
| #3FA171 text on white | 3.20:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #3FA171 text on black | 6.54:1 | AA | Lc -42.7 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C8E0D1
oklch(88.5% 0.033 158.3)
-
Step 300
300
#A2CCB3
oklch(80.8% 0.057 158.7)
-
Step 400
400
#6CB28C
oklch(70.6% 0.091 159.2)
-
Step 500
500 (this color)
#3FA171
oklch(63.8% 0.118 158.9)
-
Step 600
600
#018957
oklch(55.6% 0.127 159)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#124E32
oklch(37.8% 0.077 158.5)
-
Step 950
950
#0D2E1E
oklch(27.1% 0.049 159.3)
#3FA171 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) | #9F956E | 0.110 |
| Deuteranopia (no green cones) | #928C74 | 0.107 |
| Tritanopia (no blue cones) | #11A094 | 0.053 |
| Achromatopsia (no color) | #909090 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA171
#3FA171
oklch(63.8% 0.118 158.9)
- #BA6EA3
#BA6EA3
oklch(63.8% 0.118 339.2)
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 #3FA171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.020
- Ocean Green #3D9973 ΔE 0.026
- Seaweed Green #35AD6B ΔE 0.039
- Dark Seafoam Green #3EAF76 ΔE 0.040
- Muted Green #5FA052 ΔE 0.042
- Algae #54AC68 ΔE 0.043
- Bluey Green #2BB179 ΔE 0.045
- Jade Green #2BAF6A ΔE 0.046
Use #3FA171 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.