#3AA318
Closest named color: Grassy Green (#419C03). oklch(63% 0.192 139.9), rgb(58, 163, 24).
Aa
Black text reads best on this color (6.43:1).
About this color
#3AA318 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.192 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.019 away. Black text reads best on it, at 6.43:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.43:1 |
| White text | 3.26:1 |
Values
| HEX | #3AA318 |
| RGB | rgb(58, 163, 24) |
| HSL | hsl(105, 74%, 37%) |
| OKLCH | oklch(63% 0.192 139.9) |
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 #3AA318 | 3.26:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #3AA318 | 6.43:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #3AA318 text on white | 3.26:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #3AA318 text on black | 6.43:1 | AA | Lc -42.2 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDE
oklch(93.7% 0.027 140.2)
-
Step 200
200
#C8E2C2
oklch(88.5% 0.051 139.8)
-
Step 300
300
#A1D096
oklch(80.9% 0.094 139.7)
-
Step 400
400
#6AB758
oklch(70.8% 0.151 139.9)
-
Step 500
500 (this color)
#3AA318
oklch(63% 0.192 139.9)
-
Step 600
600
#298A00
oklch(55.5% 0.178 139.9)
-
Step 700
700
#217400
oklch(49% 0.157 139.9)
-
Step 800
800
#1A5F00
oklch(42.6% 0.136 139.8)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#0D2F04
oklch(27% 0.079 139.7)
#3AA318 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) | #A89300 | 0.130 |
| Deuteranopia (no green cones) | #9B8B2B | 0.129 |
| Tritanopia (no blue cones) | #2A9D8B | 0.131 |
| Achromatopsia (no color) | #8E8E8E | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3AA318
#3AA318
oklch(63% 0.192 139.9)
- #BA5AD0
#BA5AD0
oklch(63% 0.192 319.8)
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 #3AA318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.019
- Grass Green #3F9B0B ΔE 0.022
- Kelly Green #02AB2E ΔE 0.025
- Leaf Green #5CA904 ΔE 0.035
- Medium Green #39AD48 ΔE 0.040
- Mid Green #50A747 ΔE 0.042
- Grass #5CAC2D ΔE 0.043
- Shamrock #01B44C ΔE 0.051
Use #3AA318 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.