#406637
Closest named color: Camo Green (#526525). oklch(46.9% 0.085 139.7), rgb(64, 102, 55).
Aa
White text reads best on this color (6.61:1).
About this color
#406637 is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.085 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Camo Green (#526525), ΔE 0.027 away. White text reads best on it, at 6.61:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Camo Green (#526525) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #406637 |
| RGB | rgb(64, 102, 55) |
| HSL | hsl(109, 30%, 31%) |
| OKLCH | oklch(46.9% 0.085 139.7) |
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 #406637 | 6.61:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #406637 | 3.17:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #406637 text on white | 6.61:1 | AA | Lc 82.6 | Fine for body text |
| #406637 text on black | 3.17:1 | AA large text | Lc -19.3 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B3C8AF
oklch(81% 0.041 140.7)
-
Step 400
400
#8BAB84
oklch(70.7% 0.066 140)
-
Step 500
500
#6E9665
oklch(63% 0.084 139.9)
-
Step 600
600
#56804C
oklch(55.5% 0.091 139.7)
-
Step 700
700 (this color)
#406637
oklch(46.9% 0.085 139.7)
-
Step 800
800
#3A5833
oklch(42.6% 0.069 139.8)
-
Step 900
900
#32492D
oklch(37.8% 0.054 140)
-
Step 950
950
#1D2B1A
oklch(27.1% 0.036 140.1)
#406637 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) | #685F33 | 0.058 |
| Deuteranopia (no green cones) | #635B3A | 0.059 |
| Tritanopia (no blue cones) | #3D635B | 0.058 |
| Achromatopsia (no color) | #5D5D5D | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406637
#406637
oklch(46.9% 0.085 139.7)
- #6F4A78
#6F4A78
oklch(46.8% 0.085 319.6)
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 #406637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Camo Green #526525 ΔE 0.027
- Camouflage Green #4B6113 ΔE 0.033
- Dark Olive Green #556B2F ΔE 0.034
- Army Green #4B5D16 ΔE 0.036
- Pine #2B5D34 ΔE 0.039
- Dark Moss Green #606C38 ΔE 0.049
- Spruce #0A5F38 ΔE 0.050
- Mud Green #606602 ΔE 0.053
Use #406637 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.