#406E21
Closest named color: Dark Olive Green (#556B2F). oklch(48.8% 0.119 135.1), rgb(64, 110, 33).
Aa
White text reads best on this color (6.05:1).
About this color
#406E21 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.119 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.034 away. White text reads best on it, at 6.05:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.47:1 |
| White text | 6.05:1 |
Values
| HEX | #406E21 |
| RGB | rgb(64, 110, 33) |
| HSL | hsl(96, 54%, 28%) |
| OKLCH | oklch(48.8% 0.119 135.1) |
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 #406E21 | 6.05:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #406E21 | 3.47:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #406E21 text on white | 6.05:1 | AA | Lc 80.0 | Fine for body text |
| #406E21 text on black | 3.47:1 | AA large text | Lc -21.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5EDE2
oklch(93.7% 0.017 137)
-
Step 200
200
#D0DEC9
oklch(88.4% 0.032 135)
-
Step 300
300
#B1C9A4
oklch(80.8% 0.057 134.6)
-
Step 400
400
#88AE73
oklch(70.8% 0.092 134.9)
-
Step 500
500
#69994E
oklch(63.1% 0.117 135.3)
-
Step 600
600
#508330
oklch(55.5% 0.127 135.2)
-
Step 700
700 (this color)
#406E21
oklch(48.8% 0.119 135.1)
-
Step 800
800
#365A1E
oklch(42.6% 0.098 134.9)
-
Step 900
900
#2F4A1E
oklch(37.6% 0.076 134.8)
-
Step 950
950
#1C2C13
oklch(27.1% 0.048 135.2)
#406E21 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) | #726517 | 0.071 |
| Deuteranopia (no green cones) | #6C6128 | 0.073 |
| Tritanopia (no blue cones) | #3F6A5E | 0.085 |
| Achromatopsia (no color) | #636363 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406E21
#406E21
oklch(48.8% 0.119 135.1)
- #79488D
#79488D
oklch(48.7% 0.119 315.5)
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 #406E21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.034
- Camo Green #526525 ΔE 0.036
- Camouflage Green #4B6113 ΔE 0.038
- Mud Green #606602 ΔE 0.043
- Army Green #4B5D16 ΔE 0.051
- Tree Green #2A7E19 ΔE 0.052
- Dark Moss Green #606C38 ΔE 0.054
- Muddy Green #657432 ΔE 0.057
Use #406E21 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.