#657B70
Closest named color: Battleship Gray (#6C757D). oklch(56.2% 0.031 163.6), rgb(101, 123, 112).
Aa
Black text reads best on this color (4.62:1).
About this color
#657B70 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.031 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.033 away. Black text reads best on it, at 4.62:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.62:1 |
| White text | 4.54:1 |
Values
| HEX | #657B70 |
| RGB | rgb(101, 123, 112) |
| HSL | hsl(150, 10%, 44%) |
| OKLCH | oklch(56.2% 0.031 163.6) |
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 #657B70 | 4.54:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #657B70 | 4.62:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #657B70 text on white | 4.54:1 | AA | Lc 71.6 | Content text, not long reading |
| #657B70 text on black | 4.62:1 | AA | Lc -30.1 | 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
#D5DBD8
oklch(88.6% 0.008 164.9)
-
Step 300
300
#B9C4BE
oklch(81% 0.015 162.4)
-
Step 400
400
#95A59D
oklch(70.7% 0.021 164.3)
-
Step 500
500
#7A8F85
oklch(63% 0.028 165.1)
-
Step 600
600 (this color)
#657B70
oklch(56.2% 0.031 163.6)
-
Step 700
700
#52665C
oklch(49.1% 0.029 163.5)
-
Step 800
800
#43534B
oklch(42.6% 0.024 163.6)
-
Step 900
900
#39453F
oklch(37.8% 0.019 163.8)
-
Step 950
950
#212825
oklch(26.9% 0.011 167.8)
#657B70 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) | #7A786F | 0.030 |
| Deuteranopia (no green cones) | #767571 | 0.029 |
| Tritanopia (no blue cones) | #617B78 | 0.013 |
| Achromatopsia (no color) | #767676 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657B70
#657B70
oklch(56.2% 0.031 163.6)
- #836E7A
#836E7A
oklch(56.2% 0.032 342.9)
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 #657B70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.033
- Battleship Grey #6B7C85 ΔE 0.034
- Medium Grey #7D7F7C ΔE 0.042
- Steel Grey #6F828A ΔE 0.043
- Grey Blue #647D8E ΔE 0.045
- Gray #808080 ΔE 0.049
- Dim Gray #696969 ΔE 0.051
- Slate Gray #708090 ΔE 0.052
Use #657B70 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.