#557E64
Closest named color: Dark Sage (#598556). oklch(55.5% 0.061 156), rgb(85, 126, 100).
Aa
White text reads best on this color (4.61:1).
About this color
#557E64 is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.061 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.034 away. White text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #557E64 |
| RGB | rgb(85, 126, 100) |
| HSL | hsl(142, 19%, 41%) |
| OKLCH | oklch(55.5% 0.061 156) |
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 #557E64 | 4.61:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #557E64 | 4.55:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #557E64 text on white | 4.61:1 | AA | Lc 72.0 | Content text, not long reading |
| #557E64 text on black | 4.55:1 | AA | Lc -29.7 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B3C6B9
oklch(80.8% 0.027 155.8)
-
Step 400
400
#8BA995
oklch(70.6% 0.044 155.9)
-
Step 500
500
#6E947B
oklch(63.1% 0.056 155.6)
-
Step 600
600 (this color)
#557E64
oklch(55.5% 0.061 156)
-
Step 700
700
#456B53
oklch(49.2% 0.058 155.9)
-
Step 800
800
#395744
oklch(42.7% 0.048 156)
-
Step 900
900
#324839
oklch(37.8% 0.038 154.5)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#557E64 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) | #7E7863 | 0.057 |
| Deuteranopia (no green cones) | #777365 | 0.055 |
| Tritanopia (no blue cones) | #4E7D77 | 0.030 |
| Achromatopsia (no color) | #757575 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557E64
#557E64
oklch(55.5% 0.061 156)
- #8A6581
#8A6581
oklch(55.4% 0.062 335.4)
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 #557E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.034
- Military Green #667C3E ΔE 0.050
- Slate Green #658D6D ΔE 0.050
- Sea Green #2E8B57 ΔE 0.059
- Dusty Teal #4C9085 ΔE 0.059
- Teal #008080 ΔE 0.060
- Muddy Green #657432 ΔE 0.061
- Battleship Gray #6C757D ΔE 0.063
Use #557E64 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.