#647A67
Closest named color: Battleship Gray (#6C757D). oklch(55.6% 0.039 148.9), rgb(100, 122, 103).
Aa
White text reads best on this color (4.64:1).
About this color
#647A67 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.039 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.044 away. White text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #647A67 |
| RGB | rgb(100, 122, 103) |
| HSL | hsl(128, 10%, 44%) |
| OKLCH | oklch(55.6% 0.039 148.9) |
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 #647A67 | 4.64:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #647A67 | 4.52:1 | AA | Lc 31.8 | Non-text elements, placeholder text |
| #647A67 text on white | 4.64:1 | AA | Lc 72.3 | Content text, not long reading |
| #647A67 text on black | 4.52:1 | AA | Lc -29.4 | Dividers and decoration only |
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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
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
#B9C4BA
oklch(80.9% 0.018 148.1)
-
Step 400
400
#95A697
oklch(70.7% 0.029 148.7)
-
Step 500
500
#7B907E
oklch(63.1% 0.036 149.3)
-
Step 600
600 (this color)
#647A67
oklch(55.6% 0.039 148.9)
-
Step 700
700
#536756
oklch(49.2% 0.036 149.2)
-
Step 800
800
#445446
oklch(42.8% 0.03 148.5)
-
Step 900
900
#39453B
oklch(37.6% 0.023 150)
-
Step 950
950
#222923
oklch(27.2% 0.015 149.3)
#647A67 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) | #7B7666 | 0.034 |
| Deuteranopia (no green cones) | #777368 | 0.033 |
| Tritanopia (no blue cones) | #617975 | 0.023 |
| Achromatopsia (no color) | #747474 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647A67
#647A67
oklch(55.6% 0.039 148.9)
- #816B7F
#816B7F
oklch(55.6% 0.04 329.1)
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 #647A67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.044
- Grey Brown #7F7053 ΔE 0.047
- Battleship Grey #6B7C85 ΔE 0.047
- Dark Sage #598556 ΔE 0.050
- Medium Grey #7D7F7C ΔE 0.051
- Dim Gray #696969 ΔE 0.052
- Slate Green #658D6D ΔE 0.055
- Steel Grey #6F828A ΔE 0.056
Use #647A67 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.