#647F4E
Closest named color: Military Green (#667C3E). oklch(56.2% 0.078 132), rgb(100, 127, 78).
Aa
Black text reads best on this color (4.68:1).
About this color
#647F4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.078 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.018 away. Black text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.68:1 |
| White text | 4.47:1 |
Values
| HEX | #647F4E |
| RGB | rgb(100, 127, 78) |
| HSL | hsl(93, 24%, 40%) |
| OKLCH | oklch(56.2% 0.078 132) |
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 #647F4E | 4.47:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #647F4E | 4.68:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #647F4E text on white | 4.47:1 | AA large text | Lc 71.1 | Content text, not long reading |
| #647F4E text on black | 4.68:1 | AA | Lc -30.6 | 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 600.
-
Step 50
50
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE4
oklch(93.5% 0.01 131.4)
-
Step 200
200
#D4DCCF
oklch(88.5% 0.02 133.1)
-
Step 300
300
#B8C6AF
oklch(80.9% 0.035 133)
-
Step 400
400
#94A884
oklch(70.6% 0.056 131.4)
-
Step 500
500
#799365
oklch(63.1% 0.073 132.1)
-
Step 600
600 (this color)
#647F4E
oklch(56.2% 0.078 132)
-
Step 700
700
#51693D
oklch(49% 0.072 131.9)
-
Step 800
800
#435633
oklch(42.7% 0.06 131.7)
-
Step 900
900
#38472D
oklch(37.7% 0.047 132.6)
-
Step 950
950
#212A1A
oklch(27.1% 0.031 132)
#647F4E 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) | #83784B | 0.047 |
| Deuteranopia (no green cones) | #7F7651 | 0.047 |
| Tritanopia (no blue cones) | #657B73 | 0.059 |
| Achromatopsia (no color) | #777777 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647F4E
#647F4E
oklch(56.2% 0.078 132)
- #856897
#856897
oklch(56.3% 0.078 312)
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 #647F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.018
- Dark Sage #598556 ΔE 0.020
- Swamp #698339 ΔE 0.031
- Muddy Green #657432 ΔE 0.038
- Khaki Green #728639 ΔE 0.040
- Drab #828344 ΔE 0.046
- Slate Green #658D6D ΔE 0.050
- Moss Green #658B38 ΔE 0.050
Use #647F4E 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.