#557D28
Closest named color: Olive Green (#677A04). oklch(54.2% 0.123 131.1), rgb(85, 125, 40).
Aa
White text reads best on this color (4.82:1).
About this color
#557D28 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.123 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.025 away. White text reads best on it, at 4.82:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.35:1 |
| White text | 4.82:1 |
Values
| HEX | #557D28 |
| RGB | rgb(85, 125, 40) |
| HSL | hsl(88, 52%, 32%) |
| OKLCH | oklch(54.2% 0.123 131.1) |
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 #557D28 | 4.82:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #557D28 | 4.35:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #557D28 text on white | 4.82:1 | AA | Lc 73.3 | Content text, not long reading |
| #557D28 text on black | 4.35:1 | AA large text | Lc -28.4 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC9
oklch(88.6% 0.031 131.6)
-
Step 300
300
#B4C8A4
oklch(80.8% 0.054 131.3)
-
Step 400
400
#8DAC72
oklch(70.6% 0.088 131.2)
-
Step 500
500
#71974C
oklch(63% 0.112 131.1)
-
Step 600
600 (this color)
#557D28
oklch(54.2% 0.123 131.1)
-
Step 700
700
#496D1F
oklch(49% 0.114 131)
-
Step 800
800
#3C591C
oklch(42.7% 0.094 131.1)
-
Step 900
900
#33491D
oklch(37.6% 0.073 131.2)
-
Step 950
950
#1E2B12
oklch(27% 0.047 131.4)
#557D28 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) | #83741D | 0.067 |
| Deuteranopia (no green cones) | #7D712F | 0.067 |
| Tritanopia (no blue cones) | #57786C | 0.094 |
| Achromatopsia (no color) | #727272 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557D28
#557D28
oklch(54.2% 0.123 131.1)
- #8658A3
#8658A3
oklch(54.1% 0.123 311.2)
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 #557D28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.025
- Murky Green #6C7A0E ΔE 0.030
- Military Green #667C3E ΔE 0.035
- Swamp #698339 ΔE 0.037
- Muddy Green #657432 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.041
- Tree Green #2A7E19 ΔE 0.045
- Mossy Green #638B27 ΔE 0.047
Use #557D28 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.