#677D70
Closest named color: Battleship Grey (#6B7C85). oklch(56.8% 0.032 159.3), rgb(103, 125, 112).
Aa
Black text reads best on this color (4.74:1).
About this color
#677D70 is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.032 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.035 away. Black text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #677D70 |
| RGB | rgb(103, 125, 112) |
| HSL | hsl(145, 10%, 45%) |
| OKLCH | oklch(56.8% 0.032 159.3) |
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 #677D70 | 4.42:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #677D70 | 4.74:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #677D70 text on white | 4.42:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #677D70 text on black | 4.74:1 | AA | Lc -31.0 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D5DBD7
oklch(88.6% 0.008 157.1)
-
Step 300
300
#B9C4BD
oklch(81% 0.015 158.2)
-
Step 400
400
#95A59B
oklch(70.6% 0.023 158.4)
-
Step 500
500
#7B8F83
oklch(63.1% 0.029 159.1)
-
Step 600
600 (this color)
#677D70
oklch(56.8% 0.032 159.3)
-
Step 700
700
#52665B
oklch(49% 0.03 161)
-
Step 800
800
#44534A
oklch(42.6% 0.024 158.9)
-
Step 900
900
#39453E
oklch(37.7% 0.02 159.7)
-
Step 950
950
#212824
oklch(26.8% 0.012 160.4)
#677D70 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) | #7D796F | 0.032 |
| Deuteranopia (no green cones) | #787771 | 0.029 |
| Tritanopia (no blue cones) | #637D79 | 0.014 |
| Achromatopsia (no color) | #787878 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677D70
#677D70
oklch(56.8% 0.032 159.3)
- #84707D
#84707D
oklch(56.8% 0.031 339.1)
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 #677D70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.035
- Battleship Gray #6C757D ΔE 0.037
- Medium Grey #7D7F7C ΔE 0.038
- Steel Grey #6F828A ΔE 0.041
- Gray #808080 ΔE 0.045
- Grey Blue #647D8E ΔE 0.046
- Slate Green #658D6D ΔE 0.050
- Slate Gray #708090 ΔE 0.051
Use #677D70 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.