#678F73
Closest named color: Slate Green (#658D6D). oklch(61.2% 0.061 153.8), rgb(103, 143, 115).
Aa
Black text reads best on this color (5.75:1).
About this color
#678F73 is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.061 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.010 away. Black text reads best on it, at 5.75:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.75:1 |
| White text | 3.65:1 |
Values
| HEX | #678F73 |
| RGB | rgb(103, 143, 115) |
| HSL | hsl(138, 16%, 48%) |
| OKLCH | oklch(61.2% 0.061 153.8) |
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 #678F73 | 3.65:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #678F73 | 5.75:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #678F73 text on white | 3.65:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #678F73 text on black | 5.75:1 | AA | Lc -37.6 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DCD4
oklch(88.4% 0.016 154.4)
-
Step 300
300
#B3C7B8
oklch(81% 0.03 153.2)
-
Step 400
400
#8AAA93
oklch(70.7% 0.048 153.8)
-
Step 500
500 (this color)
#678F73
oklch(61.2% 0.061 153.8)
-
Step 600
600
#547F61
oklch(55.6% 0.067 153.4)
-
Step 700
700
#446B50
oklch(49% 0.062 153.4)
-
Step 800
800
#385742
oklch(42.6% 0.051 154.1)
-
Step 900
900
#314838
oklch(37.7% 0.04 153.8)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#678F73 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) | #8F8971 | 0.055 |
| Deuteranopia (no green cones) | #888475 | 0.053 |
| Tritanopia (no blue cones) | #618E87 | 0.031 |
| Achromatopsia (no color) | #868686 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678F73
#678F73
oklch(61.2% 0.061 153.8)
- #9B7693
#9B7693
oklch(61.2% 0.062 334.1)
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 #678F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.010
- Green Grey #77926F ΔE 0.023
- Dusty Teal #4C9085 ΔE 0.035
- Grey Teal #5E9B8A ΔE 0.039
- Ocean Green #3D9973 ΔE 0.046
- Dull Teal #5F9E8F ΔE 0.048
- Dark Sage #598556 ΔE 0.049
- Sea #3C9992 ΔE 0.053
Use #678F73 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.