#657E37
Closest named color: Military Green (#667C3E). oklch(55.7% 0.102 125.7), rgb(101, 126, 55).
Aa
Black text reads best on this color (4.59:1).
About this color
#657E37 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.102 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.011 away. Black text reads best on it, at 4.59:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.59:1 |
| White text | 4.57:1 |
Values
| HEX | #657E37 |
| RGB | rgb(101, 126, 55) |
| HSL | hsl(81, 39%, 35%) |
| OKLCH | oklch(55.7% 0.102 125.7) |
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 #657E37 | 4.57:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #657E37 | 4.59:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #657E37 text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #657E37 text on black | 4.59:1 | AA | Lc -30.0 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E8ECE2
oklch(93.7% 0.014 124.6)
-
Step 200
200
#D5DCCA
oklch(88.4% 0.025 124.3)
-
Step 300
300
#B9C6A7
oklch(80.8% 0.045 125.9)
-
Step 400
400
#95A977
oklch(70.6% 0.073 125.9)
-
Step 500
500
#7C9453
oklch(63.2% 0.094 125.6)
-
Step 600
600 (this color)
#657E37
oklch(55.7% 0.102 125.7)
-
Step 700
700
#546A29
oklch(49.1% 0.095 125.4)
-
Step 800
800
#445623
oklch(42.5% 0.078 125.8)
-
Step 900
900
#3A4722
oklch(37.6% 0.06 125.1)
-
Step 950
950
#222A14
oklch(27.1% 0.039 125.3)
#657E37 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) | #847630 | 0.048 |
| Deuteranopia (no green cones) | #81753B | 0.049 |
| Tritanopia (no blue cones) | #69796E | 0.081 |
| Achromatopsia (no color) | #767676 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657E37
#657E37
oklch(55.7% 0.102 125.7)
- #8263A3
#8263A3
oklch(55.7% 0.102 305.6)
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 #657E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.011
- Swamp #698339 ΔE 0.016
- Murky Green #6C7A0E ΔE 0.027
- Muddy Green #657432 ΔE 0.029
- Olive Green #677A04 ΔE 0.031
- Khaki Green #728639 ΔE 0.031
- Dark Sage #598556 ΔE 0.036
- Moss Green #658B38 ΔE 0.038
Use #657E37 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.