#557D45
Closest named color: Military Green (#667C3E). oklch(54.6% 0.094 137.3), rgb(85, 125, 69).
Aa
White text reads best on this color (4.76:1).
About this color
#557D45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.094 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.021 away. White text reads best on it, at 4.76:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #557D45 |
| RGB | rgb(85, 125, 69) |
| HSL | hsl(103, 29%, 38%) |
| OKLCH | oklch(54.6% 0.094 137.3) |
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 #557D45 | 4.76:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #557D45 | 4.40:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #557D45 text on white | 4.76:1 | AA | Lc 73.0 | Content text, not long reading |
| #557D45 text on black | 4.40:1 | AA large text | Lc -28.7 | 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
#D2DDCE
oklch(88.5% 0.023 137.3)
-
Step 300
300
#B4C7AD
oklch(80.8% 0.041 137.2)
-
Step 400
400
#8DAB81
oklch(70.7% 0.068 136.9)
-
Step 500
500
#709662
oklch(63.1% 0.086 137.5)
-
Step 600
600 (this color)
#557D45
oklch(54.6% 0.094 137.3)
-
Step 700
700
#486C39
oklch(49.1% 0.087 137.1)
-
Step 800
800
#3B5830
oklch(42.6% 0.072 137.5)
-
Step 900
900
#33492A
oklch(37.8% 0.058 137)
-
Step 950
950
#1E2B19
oklch(27.1% 0.037 137.3)
#557D45 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) | #807541 | 0.062 |
| Deuteranopia (no green cones) | #7A7148 | 0.062 |
| Tritanopia (no blue cones) | #54796F | 0.065 |
| Achromatopsia (no color) | #737373 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557D45
#557D45
oklch(54.6% 0.094 137.3)
- #875E94
#875E94
oklch(54.5% 0.094 317.8)
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 #557D45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.021
- Dark Sage #598556 ΔE 0.029
- Muddy Green #657432 ΔE 0.031
- Swamp #698339 ΔE 0.036
- Murky Green #6C7A0E ΔE 0.047
- Sea Green #2E8B57 ΔE 0.047
- Olive Green #677A04 ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.049
Use #557D45 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.