#3FA031
Closest named color: Grassy Green (#419C03). oklch(62.5% 0.174 141.3), rgb(63, 160, 49).
Aa
Black text reads best on this color (6.28:1).
About this color
#3FA031 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.174 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.022 away. Black text reads best on it, at 6.28:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.28:1 |
| White text | 3.34:1 |
Values
| HEX | #3FA031 |
| RGB | rgb(63, 160, 49) |
| HSL | hsl(112, 53%, 41%) |
| OKLCH | oklch(62.5% 0.174 141.3) |
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 #3FA031 | 3.34:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #3FA031 | 6.28:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #3FA031 text on white | 3.34:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #3FA031 text on black | 6.28:1 | AA | Lc -41.2 | 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
#F1F7F0
oklch(97% 0.011 141.3)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C9E1C5
oklch(88.4% 0.046 141.2)
-
Step 300
300
#A2CF9C
oklch(80.9% 0.085 141.7)
-
Step 400
400
#6EB563
oklch(70.6% 0.135 141.1)
-
Step 500
500 (this color)
#3FA031
oklch(62.5% 0.174 141.3)
-
Step 600
600
#1B8B00
oklch(55.5% 0.183 141.2)
-
Step 700
700
#157500
oklch(49% 0.162 141.2)
-
Step 800
800
#0F6000
oklch(42.6% 0.141 141.3)
-
Step 900
900
#154F0C
oklch(37.6% 0.113 141.3)
-
Step 950
950
#0F2F0A
oklch(27.1% 0.072 141.1)
#3FA031 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) | #A49121 | 0.121 |
| Deuteranopia (no green cones) | #98893B | 0.121 |
| Tritanopia (no blue cones) | #309B8A | 0.115 |
| Achromatopsia (no color) | #8C8C8C | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA031
#3FA031
oklch(62.5% 0.174 141.3)
- #B65EC6
#B65EC6
oklch(62.5% 0.174 321.3)
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 #3FA031, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.022
- Grass Green #3F9B0B ΔE 0.022
- Mid Green #50A747 ΔE 0.032
- Kelly Green #02AB2E ΔE 0.037
- Medium Green #39AD48 ΔE 0.038
- Leaf Green #5CA904 ΔE 0.043
- Irish Green #019529 ΔE 0.045
- Grass #5CAC2D ΔE 0.046
Use #3FA031 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.