#678F66
Closest named color: Slate Green (#658D6D). oklch(60.9% 0.075 144), rgb(103, 143, 102).
Aa
Black text reads best on this color (5.69:1).
About this color
#678F66 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.075 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.013 away. Black text reads best on it, at 5.69:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #678F66 |
| RGB | rgb(103, 143, 102) |
| HSL | hsl(119, 17%, 48%) |
| OKLCH | oklch(60.9% 0.075 144) |
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 #678F66 | 3.68:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #678F66 | 5.69:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #678F66 text on white | 3.68:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #678F66 text on black | 5.69:1 | AA | Lc -37.3 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D1DDD1
oklch(88.5% 0.021 145.4)
-
Step 300
300
#B3C7B2
oklch(80.9% 0.036 143.9)
-
Step 400
400
#8BAB8A
oklch(70.8% 0.059 144.1)
-
Step 500
500 (this color)
#678F66
oklch(60.9% 0.075 144)
-
Step 600
600
#558054
oklch(55.6% 0.082 143.9)
-
Step 700
700
#456C44
oklch(49.1% 0.077 143.7)
-
Step 800
800
#395838
oklch(42.7% 0.064 143.6)
-
Step 900
900
#314931
oklch(37.8% 0.05 144.5)
-
Step 950
950
#1D2A1D
oklch(26.9% 0.03 144.7)
#678F66 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) | #918863 | 0.058 |
| Deuteranopia (no green cones) | #8A8468 | 0.056 |
| Tritanopia (no blue cones) | #638D84 | 0.046 |
| Achromatopsia (no color) | #858585 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678F66
#678F66
oklch(60.9% 0.075 144)
- #9A739D
#9A739D
oklch(60.9% 0.077 324.1)
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 #678F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.013
- Green Grey #77926F ΔE 0.026
- Dark Sage #598556 ΔE 0.039
- Drab Green #749551 ΔE 0.039
- Camo #7F8F4E ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.041
- Ocean Green #3D9973 ΔE 0.043
- Moss #769958 ΔE 0.044
Use #678F66 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.