#647A4F
Closest named color: Military Green (#667C3E). oklch(55% 0.069 130.4), rgb(100, 122, 79).
Aa
White text reads best on this color (4.73:1).
About this color
#647A4F is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.069 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.024 away. White text reads best on it, at 4.73:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #647A4F |
| RGB | rgb(100, 122, 79) |
| HSL | hsl(91, 21%, 39%) |
| OKLCH | oklch(55% 0.069 130.4) |
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 #647A4F | 4.73:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #647A4F | 4.43:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #647A4F text on white | 4.73:1 | AA | Lc 72.8 | Content text, not long reading |
| #647A4F text on black | 4.43:1 | AA large text | Lc -28.9 | 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 600.
-
Step 50
50
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#BAC5B0
oklch(80.9% 0.031 129.8)
-
Step 400
400
#96A787
oklch(70.6% 0.049 130.4)
-
Step 500
500
#7D9269
oklch(63.2% 0.064 130.1)
-
Step 600
600 (this color)
#647A4F
oklch(55% 0.069 130.4)
-
Step 700
700
#546841
oklch(49% 0.064 130.5)
-
Step 800
800
#455536
oklch(42.7% 0.053 130.5)
-
Step 900
900
#3A462F
oklch(37.6% 0.041 130.5)
-
Step 950
950
#22291C
oklch(27% 0.025 131)
#647A4F 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) | #7E744C | 0.040 |
| Deuteranopia (no green cones) | #7B7351 | 0.039 |
| Tritanopia (no blue cones) | #65766F | 0.053 |
| Achromatopsia (no color) | #737373 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647A4F
#647A4F
oklch(55% 0.069 130.4)
- #7E6690
#7E6690
oklch(54.9% 0.07 310.2)
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 #647A4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.024
- Dark Sage #598556 ΔE 0.032
- Muddy Green #657432 ΔE 0.034
- Swamp #698339 ΔE 0.044
- Dark Moss Green #606C38 ΔE 0.045
- Grey Brown #7F7053 ΔE 0.050
- Khaki Green #728639 ΔE 0.054
- Drab #828344 ΔE 0.055
Use #647A4F 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.