#648B59
Closest named color: Dark Sage (#598556). oklch(59.4% 0.085 138.9), rgb(100, 139, 89).
Aa
Black text reads best on this color (5.37:1).
About this color
#648B59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.085 and its hue 139°. 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 5.37:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #648B59 |
| RGB | rgb(100, 139, 89) |
| HSL | hsl(107, 22%, 45%) |
| OKLCH | oklch(59.4% 0.085 138.9) |
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 #648B59 | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #648B59 | 5.37:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #648B59 text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #648B59 text on black | 5.37:1 | AA | Lc -35.3 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D2DDCE
oklch(88.5% 0.023 137.3)
-
Step 300
300
#B3C8AE
oklch(81% 0.043 139.7)
-
Step 400
400
#8CAB83
oklch(70.7% 0.066 138.7)
-
Step 500
500 (this color)
#648B59
oklch(59.4% 0.085 138.9)
-
Step 600
600
#56804A
oklch(55.5% 0.093 138.9)
-
Step 700
700
#466C3B
oklch(49% 0.086 138.9)
-
Step 800
800
#3A5831
oklch(42.6% 0.071 138.7)
-
Step 900
900
#32492C
oklch(37.8% 0.056 139.3)
-
Step 950
950
#1D2B1A
oklch(27.1% 0.036 140.1)
#648B59 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) | #8E8356 | 0.060 |
| Deuteranopia (no green cones) | #88805C | 0.058 |
| Tritanopia (no blue cones) | #62887E | 0.057 |
| Achromatopsia (no color) | #818181 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648B59
#648B59
oklch(59.4% 0.085 138.9)
- #956E9F
#956E9F
oklch(59.5% 0.085 319.3)
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 #648B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.023
- Slate Green #658D6D ΔE 0.027
- Light Forest Green #4F9153 ΔE 0.031
- Khaki Green #728639 ΔE 0.036
- Fern Green #548D44 ΔE 0.036
- Swamp #698339 ΔE 0.037
- Moss Green #658B38 ΔE 0.038
- Camo #7F8F4E ΔE 0.040
Use #648B59 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.