#657F40
Closest named color: Military Green (#667C3E). oklch(56.1% 0.094 127.6), rgb(101, 127, 64).
Aa
Black text reads best on this color (4.66:1).
About this color
#657F40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.094 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.008 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #657F40 |
| RGB | rgb(101, 127, 64) |
| HSL | hsl(85, 33%, 37%) |
| OKLCH | oklch(56.1% 0.094 127.6) |
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 #657F40 | 4.50:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #657F40 | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #657F40 text on white | 4.50:1 | AA | Lc 71.2 | Content text, not long reading |
| #657F40 text on black | 4.66:1 | AA | Lc -30.5 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7EBE3
oklch(93.5% 0.011 128.6)
-
Step 200
200
#D5DCCC
oklch(88.5% 0.023 126.3)
-
Step 300
300
#B9C6A9
oklch(80.9% 0.042 127)
-
Step 400
400
#95A97B
oklch(70.7% 0.068 127.2)
-
Step 500
500
#7B9459
oklch(63.2% 0.088 127.4)
-
Step 600
600 (this color)
#657F40
oklch(56.1% 0.094 127.6)
-
Step 700
700
#536A31
oklch(49.2% 0.087 127.5)
-
Step 800
800
#445629
oklch(42.6% 0.072 127.1)
-
Step 900
900
#394726
oklch(37.6% 0.056 127.6)
-
Step 950
950
#212A16
oklch(27% 0.037 128.4)
#657F40 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) | #85783B | 0.048 |
| Deuteranopia (no green cones) | #817644 | 0.049 |
| Tritanopia (no blue cones) | #687A70 | 0.074 |
| Achromatopsia (no color) | #777777 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657F40
#657F40
oklch(56.1% 0.094 127.6)
- #84659F
#84659F
oklch(56% 0.094 308.1)
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 #657F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.008
- Swamp #698339 ΔE 0.017
- Dark Sage #598556 ΔE 0.028
- Khaki Green #728639 ΔE 0.030
- Muddy Green #657432 ΔE 0.032
- Murky Green #6C7A0E ΔE 0.036
- Moss Green #658B38 ΔE 0.039
- Olive Green #677A04 ΔE 0.040
Use #657F40 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.