#66836F
Closest named color: Slate Green (#658D6D). oklch(58.1% 0.045 154.7), rgb(102, 131, 111).
Aa
Black text reads best on this color (5.04:1).
About this color
#66836F is a medium-dark, muted green. In OKLCH its lightness is 58%, its chroma 0.045 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.031 away. Black text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #66836F |
| RGB | rgb(102, 131, 111) |
| HSL | hsl(139, 12%, 46%) |
| OKLCH | oklch(58.1% 0.045 154.7) |
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 #66836F | 4.16:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #66836F | 5.04:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #66836F text on white | 4.16:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #66836F text on black | 5.04:1 | AA | Lc -33.0 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD6
oklch(88.5% 0.01 155.1)
-
Step 300
300
#B7C5BB
oklch(81% 0.021 154.8)
-
Step 400
400
#91A798
oklch(70.7% 0.033 155.7)
-
Step 500
500
#76917E
oklch(63% 0.042 154.4)
-
Step 600
600 (this color)
#66836F
oklch(58.1% 0.045 154.7)
-
Step 700
700
#4E6856
oklch(49.1% 0.042 154.4)
-
Step 800
800
#405547
oklch(42.8% 0.035 155.5)
-
Step 900
900
#36463B
oklch(37.7% 0.028 154.9)
-
Step 950
950
#202923
oklch(27% 0.017 155.9)
#66836F 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) | #837E6E | 0.042 |
| Deuteranopia (no green cones) | #7E7B70 | 0.040 |
| Tritanopia (no blue cones) | #62827D | 0.022 |
| Achromatopsia (no color) | #7C7C7C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66836F
#66836F
oklch(58.1% 0.045 154.7)
- #8C7186
#8C7186
oklch(58.2% 0.045 334)
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 #66836F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.031
- Medium Grey #7D7F7C ΔE 0.042
- Dark Sage #598556 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.045
- Steel Grey #6F828A ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.046
- Gray #808080 ΔE 0.049
- Green Grey #77926F ΔE 0.052
Use #66836F 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.