#678A5D
Closest named color: Slate Green (#658D6D). oklch(59.5% 0.077 138.8), rgb(103, 138, 93).
Aa
Black text reads best on this color (5.37:1).
About this color
#678A5D is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.077 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.021 away. Black text reads best on it, at 5.37:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.37:1 |
| White text | 3.91:1 |
Values
| HEX | #678A5D |
| RGB | rgb(103, 138, 93) |
| HSL | hsl(107, 19%, 45%) |
| OKLCH | oklch(59.5% 0.077 138.8) |
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 #678A5D | 3.91:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #678A5D | 5.37:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #678A5D text on white | 3.91:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #678A5D text on black | 5.37:1 | AA | Lc -35.2 | 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
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B5C7B0
oklch(81% 0.037 138.9)
-
Step 400
400
#8EAA86
oklch(70.7% 0.06 138.8)
-
Step 500
500 (this color)
#678A5D
oklch(59.5% 0.077 138.8)
-
Step 600
600
#5A7F4F
oklch(55.6% 0.083 138.7)
-
Step 700
700
#496B3F
oklch(49% 0.078 138.8)
-
Step 800
800
#3C5835
oklch(42.8% 0.065 139.5)
-
Step 900
900
#34482E
oklch(37.7% 0.05 138.6)
-
Step 950
950
#1E2A1B
oklch(26.9% 0.032 139.4)
#678A5D 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) | #8D835A | 0.054 |
| Deuteranopia (no green cones) | #87805F | 0.052 |
| Tritanopia (no blue cones) | #65877E | 0.052 |
| Achromatopsia (no color) | #818181 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678A5D
#678A5D
oklch(59.5% 0.077 138.8)
- #93709C
#93709C
oklch(59.5% 0.077 319.3)
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 #678A5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.021
- Dark Sage #598556 ΔE 0.025
- Green Grey #77926F ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.039
- Khaki Green #728639 ΔE 0.040
- Camo #7F8F4E ΔE 0.040
- Swamp #698339 ΔE 0.041
- Drab #828344 ΔE 0.042
Use #678A5D 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.