#3FA039
Closest named color: Grass Green (#3F9B0B). oklch(62.6% 0.168 142.4), rgb(63, 160, 57).
Aa
Black text reads best on this color (6.29:1).
About this color
#3FA039 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.168 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.027 away. Black text reads best on it, at 6.29:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #3FA039 |
| RGB | rgb(63, 160, 57) |
| HSL | hsl(117, 47%, 43%) |
| OKLCH | oklch(62.6% 0.168 142.4) |
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 #3FA039 | 3.33:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #3FA039 | 6.29:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #3FA039 text on white | 3.33:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #3FA039 text on black | 6.29:1 | AA | Lc -41.3 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A2CF9E
oklch(81% 0.083 142.7)
-
Step 400
400
#6DB567
oklch(70.6% 0.132 142.4)
-
Step 500
500 (this color)
#3FA039
oklch(62.6% 0.168 142.4)
-
Step 600
600
#138C0E
oklch(55.7% 0.183 142.4)
-
Step 700
700
#037600
oklch(49.1% 0.166 142.3)
-
Step 800
800
#096106
oklch(42.8% 0.141 142.4)
-
Step 900
900
#154F12
oklch(37.6% 0.109 142.4)
-
Step 950
950
#0F2F0C
oklch(27.2% 0.07 141.9)
#3FA039 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) | #A4922D | 0.120 |
| Deuteranopia (no green cones) | #978A42 | 0.118 |
| Tritanopia (no blue cones) | #2F9B8A | 0.108 |
| Achromatopsia (no color) | #8D8D8D | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA039
#3FA039
oklch(62.6% 0.168 142.4)
- #B660C3
#B660C3
oklch(62.7% 0.168 322.2)
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 #3FA039, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.027
- Grassy Green #419C03 ΔE 0.028
- Mid Green #50A747 ΔE 0.029
- Medium Green #39AD48 ΔE 0.036
- Kelly Green #02AB2E ΔE 0.040
- Muted Green #5FA052 ΔE 0.042
- Leaf Green #5CA904 ΔE 0.046
- Irish Green #019529 ΔE 0.047
Use #3FA039 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.