#557F3D
Closest named color: Military Green (#667C3E). oklch(54.9% 0.106 135.3), rgb(85, 127, 61).
Aa
White text reads best on this color (4.67:1).
About this color
#557F3D is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.106 and its hue 135°. 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 4.67:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.48:1 |
| White text | 4.67:1 |
Values
| HEX | #557F3D |
| RGB | rgb(85, 127, 61) |
| HSL | hsl(98, 35%, 37%) |
| OKLCH | oklch(54.9% 0.106 135.3) |
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 #557F3D | 4.67:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #557F3D | 4.48:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #557F3D text on white | 4.67:1 | AA | Lc 72.4 | Content text, not long reading |
| #557F3D text on black | 4.48:1 | AA large text | Lc -29.3 | 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
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCC
oklch(88.4% 0.026 134.3)
-
Step 300
300
#B3C8A9
oklch(80.8% 0.048 135.5)
-
Step 400
400
#8CAC7C
oklch(70.8% 0.076 135.4)
-
Step 500
500
#6F975A
oklch(63.1% 0.098 135.4)
-
Step 600
600 (this color)
#557F3D
oklch(54.9% 0.106 135.3)
-
Step 700
700
#476D31
oklch(49.1% 0.098 135.3)
-
Step 800
800
#3A5929
oklch(42.7% 0.082 135.5)
-
Step 900
900
#324926
oklch(37.6% 0.063 135.6)
-
Step 950
950
#1E2B17
oklch(27.1% 0.04 135.2)
#557F3D 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) | #837637 | 0.066 |
| Deuteranopia (no green cones) | #7D7341 | 0.065 |
| Tritanopia (no blue cones) | #547B70 | 0.076 |
| Achromatopsia (no color) | #747474 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557F3D
#557F3D
oklch(54.9% 0.106 135.3)
- #895D9C
#895D9C
oklch(55% 0.107 315.2)
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 #557F3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.023
- Swamp #698339 ΔE 0.029
- Dark Sage #598556 ΔE 0.033
- Muddy Green #657432 ΔE 0.034
- Olive Green #677A04 ΔE 0.038
- Murky Green #6C7A0E ΔE 0.039
- Fern Green #548D44 ΔE 0.041
- Moss Green #658B38 ΔE 0.044
Use #557F3D 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.