#409E11
Closest named color: Grassy Green (#419C03). oklch(61.8% 0.187 138.5), rgb(64, 158, 17).
Aa
Black text reads best on this color (6.11:1).
About this color
#409E11 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.187 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.006 away. Black text reads best on it, at 6.11:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #409E11 |
| RGB | rgb(64, 158, 17) |
| HSL | hsl(100, 81%, 34%) |
| OKLCH | oklch(61.8% 0.187 138.5) |
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 #409E11 | 3.43:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #409E11 | 6.11:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #409E11 text on white | 3.43:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #409E11 text on black | 6.11:1 | AA | Lc -40.3 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EEDE
oklch(93.5% 0.025 139.8)
-
Step 200
200
#C9E2C2
oklch(88.6% 0.051 138.9)
-
Step 300
300
#A3CF96
oklch(80.8% 0.091 138.6)
-
Step 400
400
#6FB658
oklch(70.8% 0.147 138.5)
-
Step 500
500 (this color)
#409E11
oklch(61.8% 0.187 138.5)
-
Step 600
600
#338900
oklch(55.5% 0.173 138.5)
-
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
#102F04
oklch(27.1% 0.078 138.3)
#409E11 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) | #A38F00 | 0.122 |
| Deuteranopia (no green cones) | #988826 | 0.121 |
| Tritanopia (no blue cones) | #369886 | 0.130 |
| Achromatopsia (no color) | #8A8A8A | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409E11
#409E11
oklch(61.8% 0.187 138.5)
- #B359CC
#B359CC
oklch(61.8% 0.187 318.4)
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 #409E11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.006
- Grass Green #3F9B0B ΔE 0.009
- Kelly Green #02AB2E ΔE 0.038
- Irish Green #019529 ΔE 0.042
- True Green #089404 ΔE 0.043
- Leaf Green #5CA904 ΔE 0.043
- Mid Green #50A747 ΔE 0.046
- Medium Green #39AD48 ΔE 0.049
Use #409E11 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.