#647D58
Closest named color: Dark Sage (#598556). oklch(56% 0.063 135.7), rgb(100, 125, 88).
Aa
Black text reads best on this color (4.61:1).
About this color
#647D58 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.063 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.028 away. Black text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.61:1 |
| White text | 4.54:1 |
Values
| HEX | #647D58 |
| RGB | rgb(100, 125, 88) |
| HSL | hsl(101, 17%, 42%) |
| OKLCH | oklch(56% 0.063 135.7) |
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 #647D58 | 4.54:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #647D58 | 4.61:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #647D58 text on white | 4.54:1 | AA | Lc 71.6 | Content text, not long reading |
| #647D58 text on black | 4.61:1 | AA | Lc -30.1 | 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
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D5DCD1
oklch(88.6% 0.017 133.8)
-
Step 300
300
#B9C5B3
oklch(80.9% 0.028 135)
-
Step 400
400
#94A78C
oklch(70.6% 0.044 136.4)
-
Step 500
500
#7A926F
oklch(63.1% 0.058 135.9)
-
Step 600
600 (this color)
#647D58
oklch(56% 0.063 135.7)
-
Step 700
700
#526847
oklch(49% 0.057 135.5)
-
Step 800
800
#43553B
oklch(42.7% 0.047 136.2)
-
Step 900
900
#394632
oklch(37.6% 0.037 134.8)
-
Step 950
950
#21291E
oklch(26.9% 0.023 137.2)
#647D58 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) | #807756 | 0.042 |
| Deuteranopia (no green cones) | #7C755A | 0.041 |
| Tritanopia (no blue cones) | #647A73 | 0.044 |
| Achromatopsia (no color) | #767676 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647D58
#647D58
oklch(56% 0.063 135.7)
- #83698E
#83698E
oklch(56% 0.064 315.7)
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 #647D58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.028
- Military Green #667C3E ΔE 0.032
- Muddy Green #657432 ΔE 0.046
- Swamp #698339 ΔE 0.047
- Slate Green #658D6D ΔE 0.048
- Grey Brown #7F7053 ΔE 0.051
- Drab #828344 ΔE 0.053
- Khaki Green #728639 ΔE 0.055
Use #647D58 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.