#66834B
Closest named color: Dark Sage (#598556). oklch(57.3% 0.087 131), rgb(102, 131, 75).
Aa
Black text reads best on this color (4.91:1).
About this color
#66834B is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.087 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.018 away. Black text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #66834B |
| RGB | rgb(102, 131, 75) |
| HSL | hsl(91, 27%, 40%) |
| OKLCH | oklch(57.3% 0.087 131) |
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 #66834B | 4.27:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #66834B | 4.91:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #66834B text on white | 4.27:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #66834B text on black | 4.91:1 | AA | Lc -32.2 | 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
#E7EBE4
oklch(93.5% 0.01 131.4)
-
Step 200
200
#D4DCCE
oklch(88.4% 0.021 131.5)
-
Step 300
300
#B8C6AC
oklch(80.9% 0.039 130.5)
-
Step 400
400
#93A980
oklch(70.7% 0.063 130.8)
-
Step 500
500
#789460
oklch(63.1% 0.081 131.4)
-
Step 600
600 (this color)
#66834B
oklch(57.3% 0.087 131)
-
Step 700
700
#506A37
oklch(49% 0.082 131)
-
Step 800
800
#42572E
oklch(42.8% 0.068 130.9)
-
Step 900
900
#384729
oklch(37.6% 0.052 130.2)
-
Step 950
950
#212A19
oklch(27.1% 0.033 131)
#66834B 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) | #887C47 | 0.050 |
| Deuteranopia (no green cones) | #837A4E | 0.049 |
| Tritanopia (no blue cones) | #677F75 | 0.065 |
| Achromatopsia (no color) | #7A7A7A | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66834B
#66834B
oklch(57.3% 0.087 131)
- #89699E
#89699E
oklch(57.3% 0.087 311.4)
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 #66834B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.018
- Swamp #698339 ΔE 0.020
- Military Green #667C3E ΔE 0.022
- Khaki Green #728639 ΔE 0.028
- Moss Green #658B38 ΔE 0.037
- Drab #828344 ΔE 0.039
- Fern Green #548D44 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.044
Use #66834B 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.