#3F9F3D
Closest named color: Mid Green (#50A747). oklch(62.4% 0.163 143), rgb(63, 159, 61).
Aa
Black text reads best on this color (6.23:1).
About this color
#3F9F3D is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.163 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.030 away. Black text reads best on it, at 6.23:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #3F9F3D |
| RGB | rgb(63, 159, 61) |
| HSL | hsl(119, 45%, 43%) |
| OKLCH | oklch(62.4% 0.163 143) |
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 #3F9F3D | 3.36:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #3F9F3D | 6.23:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #3F9F3D text on white | 3.36:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #3F9F3D text on black | 6.23:1 | AA | Lc -40.9 | 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
#C9E1C7
oklch(88.5% 0.043 143.1)
-
Step 300
300
#A3CE9F
oklch(80.8% 0.079 142.6)
-
Step 400
400
#6EB56A
oklch(70.8% 0.128 142.9)
-
Step 500
500 (this color)
#3F9F3D
oklch(62.4% 0.163 143)
-
Step 600
600
#158B19
oklch(55.5% 0.177 143)
-
Step 700
700
#007608
oklch(49.1% 0.164 143)
-
Step 800
800
#0A600D
oklch(42.6% 0.137 143)
-
Step 900
900
#164F15
oklch(37.7% 0.106 142.9)
-
Step 950
950
#0F2E0E
oklch(26.9% 0.067 142.9)
#3F9F3D 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) | #A29132 | 0.117 |
| Deuteranopia (no green cones) | #968945 | 0.117 |
| Tritanopia (no blue cones) | #2E9B8A | 0.103 |
| Achromatopsia (no color) | #8C8C8C | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F9F3D
#3F9F3D
oklch(62.4% 0.163 143)
- #B560BF
#B560BF
oklch(62.3% 0.164 323.3)
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 #3F9F3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.030
- Grassy Green #419C03 ΔE 0.031
- Medium Green #39AD48 ΔE 0.039
- Muted Green #5FA052 ΔE 0.040
- Kelly Green #02AB2E ΔE 0.045
- Flat Green #699D4C ΔE 0.046
- Irish Green #019529 ΔE 0.046
Use #3F9F3D 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.