#3FA105
Closest named color: Grassy Green (#419C03). oklch(62.6% 0.193 138.4), rgb(63, 161, 5).
Aa
Black text reads best on this color (6.31:1).
About this color
#3FA105 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.193 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.014 away. Black text reads best on it, at 6.31:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #3FA105 |
| RGB | rgb(63, 161, 5) |
| HSL | hsl(98, 94%, 33%) |
| OKLCH | oklch(62.6% 0.193 138.4) |
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 #3FA105 | 3.32:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #3FA105 | 6.31:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #3FA105 text on white | 3.32:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #3FA105 text on black | 6.31:1 | AA | Lc -41.5 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDD
oklch(93.7% 0.028 138.7)
-
Step 200
200
#C8E2C1
oklch(88.5% 0.052 139.1)
-
Step 300
300
#A2D094
oklch(81% 0.095 138.5)
-
Step 400
400
#6DB655
oklch(70.6% 0.151 138.5)
-
Step 500
500 (this color)
#3FA105
oklch(62.6% 0.193 138.4)
-
Step 600
600
#348900
oklch(55.6% 0.173 138.4)
-
Step 700
700
#2A7300
oklch(49% 0.153 138.4)
-
Step 800
800
#215F00
oklch(42.8% 0.134 138.5)
-
Step 900
900
#1A4F00
oklch(37.7% 0.118 138.5)
-
Step 950
950
#0F2F02
oklch(27% 0.08 138.1)
#3FA105 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) | #A69200 | 0.126 |
| Deuteranopia (no green cones) | #9A8A22 | 0.124 |
| Tritanopia (no blue cones) | #349B88 | 0.134 |
| Achromatopsia (no color) | #8D8D8D | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA105
#3FA105
oklch(62.6% 0.193 138.4)
- #B759D1
#B759D1
oklch(62.6% 0.193 318.5)
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 #3FA105, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.014
- Grass Green #3F9B0B ΔE 0.018
- Kelly Green #02AB2E ΔE 0.031
- Leaf Green #5CA904 ΔE 0.036
- Medium Green #39AD48 ΔE 0.046
- Mid Green #50A747 ΔE 0.046
- Grass #5CAC2D ΔE 0.046
- True Green #089404 ΔE 0.049
Use #3FA105 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.