#648C55
Closest named color: Dark Sage (#598556). oklch(59.6% 0.092 137.5), rgb(100, 140, 85).
Aa
Black text reads best on this color (5.42:1).
About this color
#648C55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.092 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.026 away. Black text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #648C55 |
| RGB | rgb(100, 140, 85) |
| HSL | hsl(104, 24%, 44%) |
| OKLCH | oklch(59.6% 0.092 137.5) |
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 #648C55 | 3.87:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #648C55 | 5.42:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #648C55 text on white | 3.87:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #648C55 text on black | 5.42:1 | AA | Lc -35.6 | 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 500.
-
Step 50
50
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D1DDCD
oklch(88.4% 0.025 137.8)
-
Step 300
300
#B3C8AC
oklch(80.9% 0.045 137.9)
-
Step 400
400
#8BAC80
oklch(70.8% 0.072 138)
-
Step 500
500 (this color)
#648C55
oklch(59.6% 0.092 137.5)
-
Step 600
600
#568145
oklch(55.6% 0.1 137.4)
-
Step 700
700
#466D37
oklch(49.2% 0.093 137.6)
-
Step 800
800
#3A592E
oklch(42.8% 0.077 137.5)
-
Step 900
900
#324929
oklch(37.7% 0.06 137.3)
-
Step 950
950
#1D2B18
oklch(27% 0.039 137.7)
#648C55 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) | #908451 | 0.062 |
| Deuteranopia (no green cones) | #898058 | 0.061 |
| Tritanopia (no blue cones) | #63887E | 0.064 |
| Achromatopsia (no color) | #818181 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648C55
#648C55
oklch(59.6% 0.092 137.5)
- #966DA3
#966DA3
oklch(59.6% 0.093 317.9)
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 #648C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.027
- Fern Green #548D44 ΔE 0.031
- Khaki Green #728639 ΔE 0.032
- Moss Green #658B38 ΔE 0.032
- Slate Green #658D6D ΔE 0.032
- Swamp #698339 ΔE 0.034
- Drab Green #749551 ΔE 0.036
Use #648C55 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.