#646E3E
Closest named color: Dark Moss Green (#606C38). oklch(51.8% 0.071 118.6), rgb(100, 110, 62).
Aa
White text reads best on this color (5.46:1).
About this color
#646E3E is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 52%, its chroma 0.071 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.011 away. White text reads best on it, at 5.46:1.
| Hue family | Yellows |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #646E3E |
| RGB | rgb(100, 110, 62) |
| HSL | hsl(73, 28%, 34%) |
| OKLCH | oklch(51.8% 0.071 118.6) |
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 #646E3E | 5.46:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #646E3E | 3.84:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #646E3E text on white | 5.46:1 | AA | Lc 77.3 | Fine for body text |
| #646E3E text on black | 3.84:1 | AA large text | Lc -24.5 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D7DBCD
oklch(88.4% 0.019 119.8)
-
Step 300
300
#BEC4AC
oklch(80.9% 0.034 118.6)
-
Step 400
400
#9DA67F
oklch(70.8% 0.055 118.4)
-
Step 500
500
#85905F
oklch(63.2% 0.07 118.7)
-
Step 600
600
#6F7A45
oklch(55.7% 0.076 118.5)
-
Step 700
700 (this color)
#646E3E
oklch(51.8% 0.071 118.6)
-
Step 800
800
#4C542E
oklch(42.9% 0.059 118.7)
-
Step 900
900
#3F4529
oklch(37.7% 0.045 118.5)
-
Step 950
950
#252818
oklch(26.9% 0.028 117)
#646E3E 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) | #74693A | 0.027 |
| Deuteranopia (no green cones) | #736A40 | 0.026 |
| Tritanopia (no blue cones) | #686962 | 0.060 |
| Achromatopsia (no color) | #696969 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646E3E
#646E3E
oklch(51.8% 0.071 118.6)
- #6D5F8C
#6D5F8C
oklch(51.7% 0.072 298.2)
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 #646E3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.011
- Muddy Green #657432 ΔE 0.026
- Dark Olive Green #556B2F ΔE 0.031
- Brown Green #706C11 ΔE 0.039
- Browny Green #6F6C0A ΔE 0.041
- Military Green #667C3E ΔE 0.043
- Camo Green #526525 ΔE 0.047
- Mud Green #606602 ΔE 0.049
Use #646E3E 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.