#557B36
Closest named color: Military Green (#667C3E). oklch(53.8% 0.107 132.9), rgb(85, 123, 54).
Aa
White text reads best on this color (4.91:1).
About this color
#557B36 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.107 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.026 away. White text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #557B36 |
| RGB | rgb(85, 123, 54) |
| HSL | hsl(93, 39%, 35%) |
| OKLCH | oklch(53.8% 0.107 132.9) |
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 #557B36 | 4.91:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #557B36 | 4.27:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #557B36 text on white | 4.91:1 | AA | Lc 73.9 | Content text, not long reading |
| #557B36 text on black | 4.27:1 | AA large text | Lc -27.8 | 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
#D2DDCB
oklch(88.4% 0.027 133)
-
Step 300
300
#B5C8A8
oklch(81% 0.049 132.6)
-
Step 400
400
#8EAB7A
oklch(70.6% 0.076 133)
-
Step 500
500
#729657
oklch(63% 0.098 132.8)
-
Step 600
600 (this color)
#557B36
oklch(53.8% 0.107 132.9)
-
Step 700
700
#4A6C2D
oklch(49% 0.099 132.6)
-
Step 800
800
#3D5827
oklch(42.6% 0.081 132.7)
-
Step 900
900
#344924
oklch(37.8% 0.065 132.9)
-
Step 950
950
#1F2B16
oklch(27.1% 0.04 132.7)
#557B36 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) | #80722F | 0.063 |
| Deuteranopia (no green cones) | #7A6F3B | 0.063 |
| Tritanopia (no blue cones) | #56766C | 0.081 |
| Achromatopsia (no color) | #717171 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557B36
#557B36
oklch(53.8% 0.107 132.9)
- #845A9A
#845A9A
oklch(53.8% 0.107 313.3)
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 #557B36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.026
- Muddy Green #657432 ΔE 0.027
- Olive Green #677A04 ΔE 0.034
- Murky Green #6C7A0E ΔE 0.036
- Swamp #698339 ΔE 0.037
- Dark Sage #598556 ΔE 0.043
- Dark Olive Green #556B2F ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.047
Use #557B36 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.