#647E58
Closest named color: Dark Sage (#598556). oklch(56.2% 0.064 136), rgb(100, 126, 88).
Aa
Black text reads best on this color (4.66:1).
About this color
#647E58 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.064 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 0.025 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #647E58 |
| RGB | rgb(100, 126, 88) |
| HSL | hsl(101, 18%, 42%) |
| OKLCH | oklch(56.2% 0.064 136) |
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 #647E58 | 4.49:1 | AA large text | Lc -76.7 | Fine for body text |
| Black text on #647E58 | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #647E58 text on white | 4.49:1 | AA large text | Lc 71.2 | Content text, not long reading |
| #647E58 text on black | 4.66:1 | AA | Lc -30.5 | 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
#D4DCD1
oklch(88.5% 0.017 137)
-
Step 300
300
#B8C5B3
oklch(80.8% 0.029 136.9)
-
Step 400
400
#94A88B
oklch(70.8% 0.047 135.9)
-
Step 500
500
#79926E
oklch(63% 0.06 136.2)
-
Step 600
600 (this color)
#647E58
oklch(56.2% 0.064 136)
-
Step 700
700
#516946
oklch(49.2% 0.061 136.1)
-
Step 800
800
#43553A
oklch(42.6% 0.049 135.5)
-
Step 900
900
#384632
oklch(37.6% 0.038 136.4)
-
Step 950
950
#21291D
oklch(26.9% 0.024 135.3)
#647E58 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) | #817856 | 0.043 |
| Deuteranopia (no green cones) | #7D765A | 0.042 |
| Tritanopia (no blue cones) | #647B74 | 0.046 |
| Achromatopsia (no color) | #777777 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647E58
#647E58
oklch(56.2% 0.064 136)
- #846A8F
#846A8F
oklch(56.3% 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 #647E58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.025
- Military Green #667C3E ΔE 0.032
- Swamp #698339 ΔE 0.045
- Slate Green #658D6D ΔE 0.045
- Muddy Green #657432 ΔE 0.047
- Drab #828344 ΔE 0.051
- Khaki Green #728639 ΔE 0.052
- Grey Brown #7F7053 ΔE 0.052
Use #647E58 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.