#557E4B
Closest named color: Military Green (#667C3E). oklch(54.9% 0.089 139.6), rgb(85, 126, 75).
Aa
White text reads best on this color (4.69:1).
About this color
#557E4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.089 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.023 away. White text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #557E4B |
| RGB | rgb(85, 126, 75) |
| HSL | hsl(108, 25%, 39%) |
| OKLCH | oklch(54.9% 0.089 139.6) |
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 #557E4B | 4.69:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #557E4B | 4.47:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #557E4B text on white | 4.69:1 | AA | Lc 72.5 | Content text, not long reading |
| #557E4B text on black | 4.47:1 | AA large text | Lc -29.2 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B4C7AF
oklch(80.9% 0.039 139.2)
-
Step 400
400
#8CAB85
oklch(70.8% 0.064 139.9)
-
Step 500
500
#6F9666
oklch(63.1% 0.082 139.8)
-
Step 600
600 (this color)
#557E4B
oklch(54.9% 0.089 139.6)
-
Step 700
700
#476C3E
oklch(49.1% 0.082 139.6)
-
Step 800
800
#3A5833
oklch(42.6% 0.069 139.8)
-
Step 900
900
#32492D
oklch(37.8% 0.054 140)
-
Step 950
950
#1E2B1B
oklch(27.2% 0.034 139.8)
#557E4B 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) | #817647 | 0.063 |
| Deuteranopia (no green cones) | #7B724E | 0.063 |
| Tritanopia (no blue cones) | #537B71 | 0.059 |
| Achromatopsia (no color) | #747474 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557E4B
#557E4B
oklch(54.9% 0.089 139.6)
- #886092
#886092
oklch(54.9% 0.089 319.5)
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 #557E4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.023
- Dark Sage #598556 ΔE 0.023
- Muddy Green #657432 ΔE 0.035
- Swamp #698339 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.045
- Fern Green #548D44 ΔE 0.049
- Khaki Green #728639 ΔE 0.051
- Dark Moss Green #606C38 ΔE 0.051
Use #557E4B 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.