#677D6C
Closest named color: Battleship Grey (#6B7C85). oklch(56.7% 0.037 151.9), rgb(103, 125, 108).
Aa
Black text reads best on this color (4.72:1).
About this color
#677D6C is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.037 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.041 away. Black text reads best on it, at 4.72:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #677D6C |
| RGB | rgb(103, 125, 108) |
| HSL | hsl(134, 10%, 45%) |
| OKLCH | oklch(56.7% 0.037 151.9) |
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 #677D6C | 4.44:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #677D6C | 4.72:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #677D6C text on white | 4.44:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #677D6C text on black | 4.72:1 | AA | Lc -30.8 | 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 600.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#B9C4BB
oklch(80.9% 0.017 151)
-
Step 400
400
#95A699
oklch(70.8% 0.027 152.7)
-
Step 500
500
#7B9080
oklch(63.2% 0.034 152.5)
-
Step 600
600 (this color)
#677D6C
oklch(56.7% 0.037 151.9)
-
Step 700
700
#536757
oklch(49.2% 0.035 150.9)
-
Step 800
800
#445447
oklch(42.8% 0.029 150.5)
-
Step 900
900
#39453C
oklch(37.7% 0.022 152.9)
-
Step 950
950
#222823
oklch(26.9% 0.013 150.2)
#677D6C 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) | #7D796B | 0.032 |
| Deuteranopia (no green cones) | #79776D | 0.030 |
| Tritanopia (no blue cones) | #647C78 | 0.020 |
| Achromatopsia (no color) | #787878 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677D6C
#677D6C
oklch(56.7% 0.037 151.9)
- #846F80
#846F80
oklch(56.7% 0.036 332.6)
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 #677D6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.041
- Medium Grey #7D7F7C ΔE 0.042
- Battleship Gray #6C757D ΔE 0.042
- Steel Grey #6F828A ΔE 0.047
- Slate Green #658D6D ΔE 0.048
- Gray #808080 ΔE 0.049
- Grey Brown #7F7053 ΔE 0.050
- Dark Sage #598556 ΔE 0.050
Use #677D6C 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.