#409523
Closest named color: Grass Green (#3F9B0B). oklch(59.5% 0.169 139.2), rgb(64, 149, 35).
Aa
Black text reads best on this color (5.54:1).
About this color
#409523 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.169 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.023 away. Black text reads best on it, at 5.54:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #409523 |
| RGB | rgb(64, 149, 35) |
| HSL | hsl(105, 62%, 36%) |
| OKLCH | oklch(59.5% 0.169 139.2) |
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 #409523 | 3.78:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #409523 | 5.54:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #409523 text on white | 3.78:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #409523 text on black | 5.54:1 | AA | Lc -36.6 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CAE1C4
oklch(88.5% 0.046 139.2)
-
Step 300
300
#A6CE9B
oklch(80.9% 0.082 139)
-
Step 400
400
#74B462
oklch(70.7% 0.131 139.1)
-
Step 500
500 (this color)
#409523
oklch(59.5% 0.169 139.2)
-
Step 600
600
#2F8A00
oklch(55.7% 0.176 139.1)
-
Step 700
700
#267400
oklch(49.1% 0.155 139.2)
-
Step 800
800
#1E5F00
oklch(42.7% 0.135 139.1)
-
Step 900
900
#1D4E0B
oklch(37.6% 0.109 139.1)
-
Step 950
950
#122E09
oklch(27% 0.07 139)
#409523 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) | #99870A | 0.111 |
| Deuteranopia (no green cones) | #8F802F | 0.113 |
| Tritanopia (no blue cones) | #37907F | 0.114 |
| Achromatopsia (no color) | #838383 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409523
#409523
oklch(59.5% 0.169 139.2)
- #A857BD
#A857BD
oklch(59.4% 0.169 319)
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 #409523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.023
- Irish Green #019529 ΔE 0.026
- Grassy Green #419C03 ΔE 0.026
- Kelley Green #009337 ΔE 0.030
- True Green #089404 ΔE 0.033
- Sap Green #5C8B15 ΔE 0.035
- Emerald Green #028F1E ΔE 0.036
- Forest Green #228B22 ΔE 0.039
Use #409523 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.