#678D7D
Closest named color: Slate Green (#658D6D). oklch(61% 0.049 166.9), rgb(103, 141, 125).
Aa
Black text reads best on this color (5.68:1).
About this color
#678D7D is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.049 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.024 away. Black text reads best on it, at 5.68:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #678D7D |
| RGB | rgb(103, 141, 125) |
| HSL | hsl(155, 16%, 48%) |
| OKLCH | oklch(61% 0.049 166.9) |
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 #678D7D | 3.69:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #678D7D | 5.68:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #678D7D text on white | 3.69:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #678D7D text on black | 5.68:1 | AA | Lc -37.2 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B3C6BD
oklch(80.9% 0.024 165.7)
-
Step 400
400
#8BA99B
oklch(70.8% 0.039 165.3)
-
Step 500
500 (this color)
#678D7D
oklch(61% 0.049 166.9)
-
Step 600
600
#547E6D
oklch(55.7% 0.054 167.2)
-
Step 700
700
#456A5B
oklch(49.2% 0.049 167)
-
Step 800
800
#39564A
oklch(42.6% 0.04 166.8)
-
Step 900
900
#31473E
oklch(37.6% 0.032 167.4)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#678D7D 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) | #8B887C | 0.049 |
| Deuteranopia (no green cones) | #84837E | 0.047 |
| Tritanopia (no blue cones) | #5F8D88 | 0.018 |
| Achromatopsia (no color) | #858585 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678D7D
#678D7D
oklch(61% 0.049 166.9)
- #9A7889
#9A7889
oklch(61.1% 0.048 347.1)
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 #678D7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.024
- Dusty Teal #4C9085 ΔE 0.028
- Green Grey #77926F ΔE 0.034
- Grey Teal #5E9B8A ΔE 0.039
- Steel Grey #6F828A ΔE 0.045
- Medium Grey #7D7F7C ΔE 0.048
- Dull Teal #5F9E8F ΔE 0.048
- Sea #3C9992 ΔE 0.048
Use #678D7D 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.