#647A50
Closest named color: Military Green (#667C3E). oklch(55% 0.067 130.8), rgb(100, 122, 80).
Aa
White text reads best on this color (4.72:1).
About this color
#647A50 is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.067 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.025 away. White text reads best on it, at 4.72:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #647A50 |
| RGB | rgb(100, 122, 80) |
| HSL | hsl(91, 21%, 40%) |
| OKLCH | oklch(55% 0.067 130.8) |
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 #647A50 | 4.72:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #647A50 | 4.44:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #647A50 text on white | 4.72:1 | AA | Lc 72.8 | Content text, not long reading |
| #647A50 text on black | 4.44:1 | 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
#BAC5B1
oklch(80.9% 0.03 130.8)
-
Step 400
400
#96A788
oklch(70.6% 0.048 131)
-
Step 500
500
#7C926A
oklch(63.2% 0.063 131.4)
-
Step 600
600 (this color)
#647A50
oklch(55% 0.067 130.8)
-
Step 700
700
#546842
oklch(49% 0.063 131)
-
Step 800
800
#455537
oklch(42.7% 0.051 131.1)
-
Step 900
900
#3A462F
oklch(37.6% 0.041 130.5)
-
Step 950
950
#22291C
oklch(27% 0.025 131)
#647A50 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) | #7E744D | 0.040 |
| Deuteranopia (no green cones) | #7A7352 | 0.038 |
| Tritanopia (no blue cones) | #65776F | 0.050 |
| Achromatopsia (no color) | #737373 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647A50
#647A50
oklch(55% 0.067 130.8)
- #7E678F
#7E678F
oklch(55.1% 0.066 310.4)
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 #647A50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.025
- Dark Sage #598556 ΔE 0.032
- Muddy Green #657432 ΔE 0.035
- Swamp #698339 ΔE 0.045
- Dark Moss Green #606C38 ΔE 0.045
- Grey Brown #7F7053 ΔE 0.049
- Khaki Green #728639 ΔE 0.054
- Drab #828344 ΔE 0.055
Use #647A50 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.