#406F21
Closest named color: Dark Olive Green (#556B2F). oklch(49.1% 0.12 135.3), rgb(64, 111, 33).
Aa
White text reads best on this color (5.97:1).
About this color
#406F21 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.120 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 0.035 away. White text reads best on it, at 5.97:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #406F21 |
| RGB | rgb(64, 111, 33) |
| HSL | hsl(96, 54%, 28%) |
| OKLCH | oklch(49.1% 0.12 135.3) |
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 #406F21 | 5.97:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #406F21 | 3.51:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #406F21 text on white | 5.97:1 | AA | Lc 79.7 | Fine for body text |
| #406F21 text on black | 3.51:1 | AA large text | Lc -22.1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE1
oklch(93.7% 0.018 134.9)
-
Step 200
200
#D0DEC9
oklch(88.4% 0.032 135)
-
Step 300
300
#B1CAA4
oklch(81% 0.059 134.9)
-
Step 400
400
#87AE73
oklch(70.7% 0.093 135.4)
-
Step 500
500
#69994D
oklch(63% 0.118 135.1)
-
Step 600
600
#50832F
oklch(55.5% 0.128 135.1)
-
Step 700
700 (this color)
#406F21
oklch(49.1% 0.12 135.3)
-
Step 800
800
#355B1E
oklch(42.8% 0.1 135.5)
-
Step 900
900
#2E4B1E
oklch(37.8% 0.079 135.7)
-
Step 950
950
#1B2C12
oklch(27% 0.05 135.7)
#406F21 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) | #736616 | 0.072 |
| Deuteranopia (no green cones) | #6D6228 | 0.074 |
| Tritanopia (no blue cones) | #3F6B5F | 0.086 |
| Achromatopsia (no color) | #636363 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406F21
#406F21
oklch(49.1% 0.12 135.3)
- #7A498F
#7A498F
oklch(49.1% 0.12 315)
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 #406F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.035
- Camo Green #526525 ΔE 0.038
- Camouflage Green #4B6113 ΔE 0.041
- Mud Green #606602 ΔE 0.044
- Tree Green #2A7E19 ΔE 0.050
- Army Green #4B5D16 ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.054
- Muddy Green #657432 ΔE 0.056
Use #406F21 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.