#667C6D
Closest named color: Battleship Gray (#6C757D). oklch(56.4% 0.034 155.4), rgb(102, 124, 109).
Aa
Black text reads best on this color (4.66:1).
About this color
#667C6D is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.034 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.039 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #667C6D |
| RGB | rgb(102, 124, 109) |
| HSL | hsl(139, 10%, 44%) |
| OKLCH | oklch(56.4% 0.034 155.4) |
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 #667C6D | 4.49:1 | AA large text | Lc -76.7 | Fine for body text |
| Black text on #667C6D | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #667C6D text on white | 4.49:1 | AA large text | Lc 71.2 | Content text, not long reading |
| #667C6D text on black | 4.66:1 | AA | Lc -30.4 | 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
#D5DBD7
oklch(88.6% 0.008 157.1)
-
Step 300
300
#B9C4BC
oklch(80.9% 0.016 154.4)
-
Step 400
400
#95A59A
oklch(70.6% 0.024 155.7)
-
Step 500
500
#7B8F81
oklch(63% 0.031 154.9)
-
Step 600
600 (this color)
#667C6D
oklch(56.4% 0.034 155.4)
-
Step 700
700
#536659
oklch(49% 0.031 155.2)
-
Step 800
800
#445449
oklch(42.9% 0.027 155.1)
-
Step 900
900
#39453D
oklch(37.7% 0.021 156.1)
-
Step 950
950
#222824
oklch(26.9% 0.011 156.4)
#667C6D 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) | #7C786C | 0.032 |
| Deuteranopia (no green cones) | #78766E | 0.030 |
| Tritanopia (no blue cones) | #637B78 | 0.018 |
| Achromatopsia (no color) | #777777 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #667C6D
#667C6D
oklch(56.4% 0.034 155.4)
- #836E7E
#836E7E
oklch(56.3% 0.035 334.4)
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 #667C6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.039
- Medium Grey #7D7F7C ΔE 0.042
- Steel Grey #6F828A ΔE 0.046
- Gray #808080 ΔE 0.050
- Grey Brown #7F7053 ΔE 0.050
- Grey Blue #647D8E ΔE 0.050
- Slate Green #658D6D ΔE 0.051
Use #667C6D 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.