#657C5B
Closest named color: Dark Sage (#598556). oklch(55.9% 0.056 136.3), rgb(101, 124, 91).
Aa
Black text reads best on this color (4.58:1).
About this color
#657C5B is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.056 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.033 away. Black text reads best on it, at 4.58:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #657C5B |
| RGB | rgb(101, 124, 91) |
| HSL | hsl(102, 15%, 42%) |
| OKLCH | oklch(55.9% 0.056 136.3) |
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 #657C5B | 4.57:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #657C5B | 4.58:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #657C5B text on white | 4.57:1 | AA | Lc 71.8 | Content text, not long reading |
| #657C5B text on black | 4.58:1 | AA | Lc -29.9 | 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
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D5DBD2
oklch(88.4% 0.014 134.9)
-
Step 300
300
#B9C5B5
oklch(81% 0.026 137.8)
-
Step 400
400
#95A78E
oklch(70.7% 0.041 136.9)
-
Step 500
500
#7B9172
oklch(63.1% 0.052 136.7)
-
Step 600
600 (this color)
#657C5B
oklch(55.9% 0.056 136.3)
-
Step 700
700
#53684A
oklch(49.1% 0.053 136.5)
-
Step 800
800
#44553D
oklch(42.8% 0.044 136.7)
-
Step 900
900
#394634
oklch(37.7% 0.034 137.1)
-
Step 950
950
#22291F
oklch(27.1% 0.021 136.3)
#657C5B 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) | #7F7759 | 0.039 |
| Deuteranopia (no green cones) | #7B755D | 0.037 |
| Tritanopia (no blue cones) | #657973 | 0.040 |
| Achromatopsia (no color) | #757575 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657C5B
#657C5B
oklch(55.9% 0.056 136.3)
- #816A8B
#816A8B
oklch(55.8% 0.057 315.5)
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 #657C5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.033
- Military Green #667C3E ΔE 0.038
- Grey Brown #7F7053 ΔE 0.047
- Slate Green #658D6D ΔE 0.049
- Muddy Green #657432 ΔE 0.050
- Swamp #698339 ΔE 0.053
- Drab #828344 ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.057
Use #657C5B 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.