Slate Green #658D6D
Slate Green is a medium-dark, muted green with hex code #658D6D and RGB rgb(101, 141, 109).
Aa
Black text reads best on this color (5.58:1).
About this color
#658D6D is a medium-dark, muted green. In OKLCH its lightness is 60%, its chroma 0.066 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. It is the named color Slate Green. Black text reads best on it, at 5.58:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Slate Green |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Colors that go with Slate Green
Matches found by rotating Slate Green around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Slate Green
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Slate Green, closest first.
Similar named colors
The eight named colors closest to Slate Green, with their ΔE distance.
- Green Grey #77926F ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.038
- Dark Sage #598556 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.046
- Grey Teal #5E9B8A ΔE 0.048
- Light Forest Green #4F9153 ΔE 0.050
- Camo #7F8F4E ΔE 0.050
- Drab Green #749551 ΔE 0.052
More about Slate Green
How to make Slate Green
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 2 parts gray
- 1 part green
Recipe result: #688C6E, a difference of ΔE 0.005 from Slate Green. That is very close: most people will not see the difference.
Codes for Slate Green in every format
| HEX | #658D6D |
| RGB | rgb(101, 141, 109) |
| HSL | hsl(132, 17%, 47%) |
| OKLCH | oklch(60.5% 0.066 150.2) |
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 #658D6D | 3.76:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #658D6D | 5.58:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #658D6D text on white | 3.76:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #658D6D text on black | 5.58:1 | AA | Lc -36.6 | Non-text elements, placeholder text |
Shades and tints of Slate Green
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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DDD3
oklch(88.6% 0.019 150.5)
-
Step 300
300
#B3C7B6
oklch(81% 0.032 149.7)
-
Step 400
400
#8AAA90
oklch(70.7% 0.051 150.4)
-
Step 500
500 (this color)
#658D6D
oklch(60.5% 0.066 150.2)
-
Step 600
600
#547F5D
oklch(55.5% 0.071 150.2)
-
Step 700
700
#446B4D
oklch(49% 0.065 150.7)
-
Step 800
800
#38583F
oklch(42.8% 0.056 150.4)
-
Step 900
900
#314836
oklch(37.7% 0.042 150.7)
-
Step 950
950
#1D2A1F
oklch(26.9% 0.027 149)
Slate Green 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) | #8E866B | 0.057 |
| Deuteranopia (no green cones) | #87826F | 0.055 |
| Tritanopia (no blue cones) | #5F8C84 | 0.035 |
| Achromatopsia (no color) | #848484 | 0.066 |
Use Slate Green 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.