#647E54
Closest named color: Dark Sage (#598556). oklch(56.1% 0.069 134), rgb(100, 126, 84).
Aa
Black text reads best on this color (4.65:1).
About this color
#647E54 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.069 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.023 away. Black text reads best on it, at 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #647E54 |
| RGB | rgb(100, 126, 84) |
| HSL | hsl(97, 20%, 41%) |
| OKLCH | oklch(56.1% 0.069 134) |
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 #647E54 | 4.51:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #647E54 | 4.65:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #647E54 text on white | 4.51:1 | AA | Lc 71.3 | Content text, not long reading |
| #647E54 text on black | 4.65:1 | AA | Lc -30.4 | 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
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D4DCD0
oklch(88.5% 0.018 134.9)
-
Step 300
300
#B8C5B1
oklch(80.8% 0.031 134.4)
-
Step 400
400
#94A888
oklch(70.7% 0.051 133.8)
-
Step 500
500
#7A926B
oklch(63.1% 0.063 133.7)
-
Step 600
600 (this color)
#647E54
oklch(56.1% 0.069 134)
-
Step 700
700
#526943
oklch(49.2% 0.064 133.6)
-
Step 800
800
#435637
oklch(42.8% 0.055 133.9)
-
Step 900
900
#384730
oklch(37.8% 0.043 135)
-
Step 950
950
#21291C
oklch(26.9% 0.026 133.7)
#647E54 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) | #817851 | 0.043 |
| Deuteranopia (no green cones) | #7D7656 | 0.042 |
| Tritanopia (no blue cones) | #647B73 | 0.049 |
| Achromatopsia (no color) | #767676 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647E54
#647E54
oklch(56.1% 0.069 134)
- #846992
#846992
oklch(56.2% 0.069 313.9)
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 #647E54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.023
- Military Green #667C3E ΔE 0.026
- Swamp #698339 ΔE 0.040
- Muddy Green #657432 ΔE 0.042
- Slate Green #658D6D ΔE 0.047
- Khaki Green #728639 ΔE 0.048
- Drab #828344 ΔE 0.049
- Grey Brown #7F7053 ΔE 0.054
Use #647E54 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.