#66875C
Closest named color: Dark Sage (#598556). oklch(58.7% 0.074 138.5), rgb(102, 135, 92).
Aa
Black text reads best on this color (5.18:1).
About this color
#66875C is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.074 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 0.020 away. Black text reads best on it, at 5.18:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #66875C |
| RGB | rgb(102, 135, 92) |
| HSL | hsl(106, 19%, 45%) |
| OKLCH | oklch(58.7% 0.074 138.5) |
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 #66875C | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #66875C | 5.18:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #66875C text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #66875C text on black | 5.18:1 | AA | Lc -34.0 | 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
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D3DCD1
oklch(88.5% 0.018 140)
-
Step 300
300
#B6C6B2
oklch(80.9% 0.033 139.4)
-
Step 400
400
#90A989
oklch(70.7% 0.053 138.9)
-
Step 500
500
#75946C
oklch(63.2% 0.068 138.7)
-
Step 600
600 (this color)
#66875C
oklch(58.7% 0.074 138.5)
-
Step 700
700
#4D6A44
oklch(49.1% 0.068 138.4)
-
Step 800
800
#3F5738
oklch(42.8% 0.058 138.7)
-
Step 900
900
#364730
oklch(37.6% 0.044 137.7)
-
Step 950
950
#202A1C
oklch(27.1% 0.029 136.9)
#66875C 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) | #8A8059 | 0.052 |
| Deuteranopia (no green cones) | #857D5E | 0.051 |
| Tritanopia (no blue cones) | #65847C | 0.051 |
| Achromatopsia (no color) | #7E7E7E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66875C
#66875C
oklch(58.7% 0.074 138.5)
- #8F6E99
#8F6E99
oklch(58.6% 0.075 318.2)
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 #66875C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.020
- Slate Green #658D6D ΔE 0.024
- Swamp #698339 ΔE 0.040
- Khaki Green #728639 ΔE 0.041
- Military Green #667C3E ΔE 0.042
- Drab #828344 ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.043
- Green Grey #77926F ΔE 0.045
Use #66875C 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.