#677F6E
Closest named color: Medium Grey (#7D7F7C). oklch(57.2% 0.038 154.2), rgb(103, 127, 110).
Aa
Black text reads best on this color (4.83:1).
About this color
#677F6E is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.038 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Grey (#7D7F7C), ΔE 0.040 away. Black text reads best on it, at 4.83:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Medium Grey (#7D7F7C) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #677F6E |
| RGB | rgb(103, 127, 110) |
| HSL | hsl(138, 10%, 45%) |
| OKLCH | oklch(57.2% 0.038 154.2) |
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 #677F6E | 4.34:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #677F6E | 4.83:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #677F6E text on white | 4.34:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #677F6E text on black | 4.83:1 | AA | Lc -31.6 | 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 600.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD6
oklch(88.5% 0.01 155.1)
-
Step 300
300
#B9C4BC
oklch(80.9% 0.016 154.4)
-
Step 400
400
#94A699
oklch(70.7% 0.028 154.2)
-
Step 500
500
#7A9080
oklch(63.1% 0.035 153.7)
-
Step 600
600 (this color)
#677F6E
oklch(57.2% 0.038 154.2)
-
Step 700
700
#516758
oklch(49.1% 0.036 155.1)
-
Step 800
800
#435448
oklch(42.7% 0.029 154.3)
-
Step 900
900
#38453C
oklch(37.6% 0.023 155)
-
Step 950
950
#212923
oklch(27.1% 0.016 152.8)
#677F6E 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) | #7F7B6D | 0.035 |
| Deuteranopia (no green cones) | #7B786F | 0.034 |
| Tritanopia (no blue cones) | #647E7A | 0.020 |
| Achromatopsia (no color) | #797979 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677F6E
#677F6E
oklch(57.2% 0.038 154.2)
- #877081
#877081
oklch(57.3% 0.038 335.4)
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 #677F6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Grey #7D7F7C ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.040
- Slate Green #658D6D ΔE 0.043
- Steel Grey #6F828A ΔE 0.044
- Battleship Gray #6C757D ΔE 0.044
- Gray #808080 ΔE 0.047
- Dark Sage #598556 ΔE 0.049
- Grey Blue #647D8E ΔE 0.052
Use #677F6E 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.