#678B63
Closest named color: Slate Green (#658D6D). oklch(59.9% 0.072 142.1), rgb(103, 139, 99).
Aa
Black text reads best on this color (5.44:1).
About this color
#678B63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.072 and its hue 142°. 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 5.44:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #678B63 |
| RGB | rgb(103, 139, 99) |
| HSL | hsl(114, 17%, 47%) |
| OKLCH | oklch(59.9% 0.072 142.1) |
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 #678B63 | 3.85:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #678B63 | 5.44:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #678B63 text on white | 3.85:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #678B63 text on black | 5.44:1 | AA | Lc -35.7 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D2DDD1
oklch(88.6% 0.02 143)
-
Step 300
300
#B4C7B2
oklch(80.9% 0.036 142.6)
-
Step 400
400
#8DAA8A
oklch(70.7% 0.056 142.5)
-
Step 500
500 (this color)
#678B63
oklch(59.9% 0.072 142.1)
-
Step 600
600
#587F54
oklch(55.6% 0.078 142.2)
-
Step 700
700
#486B44
oklch(49% 0.073 142)
-
Step 800
800
#3B5739
oklch(42.6% 0.059 142.9)
-
Step 900
900
#334831
oklch(37.7% 0.047 142.5)
-
Step 950
950
#1E2A1D
oklch(26.9% 0.029 142.8)
#678B63 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) | #8D8461 | 0.054 |
| Deuteranopia (no green cones) | #878065 | 0.053 |
| Tritanopia (no blue cones) | #648880 | 0.046 |
| Achromatopsia (no color) | #828282 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678B63
#678B63
oklch(59.9% 0.072 142.1)
- #947299
#947299
oklch(59.9% 0.07 322.1)
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 #678B63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.013
- Dark Sage #598556 ΔE 0.030
- Green Grey #77926F ΔE 0.033
- Camo #7F8F4E ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.043
- Drab Green #749551 ΔE 0.046
- Drab #828344 ΔE 0.046
- Khaki Green #728639 ΔE 0.047
Use #678B63 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.