#557D6A
Closest named color: Dark Sage (#598556). oklch(55.4% 0.054 163.5), rgb(85, 125, 106).
Aa
White text reads best on this color (4.63:1).
About this color
#557D6A is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.054 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.044 away. White text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #557D6A |
| RGB | rgb(85, 125, 106) |
| HSL | hsl(152, 19%, 41%) |
| OKLCH | oklch(55.4% 0.054 163.5) |
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 #557D6A | 4.63:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #557D6A | 4.52:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #557D6A text on white | 4.63:1 | AA | Lc 72.2 | Content text, not long reading |
| #557D6A text on black | 4.52:1 | AA | Lc -29.5 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD7
oklch(88.5% 0.013 164.8)
-
Step 300
300
#B3C6BC
oklch(80.9% 0.025 163)
-
Step 400
400
#8BA99A
oklch(70.8% 0.04 163.6)
-
Step 500
500
#6E9381
oklch(63% 0.049 163.6)
-
Step 600
600 (this color)
#557D6A
oklch(55.4% 0.054 163.5)
-
Step 700
700
#466A59
oklch(49.2% 0.05 163.5)
-
Step 800
800
#395649
oklch(42.6% 0.041 164.9)
-
Step 900
900
#32473D
oklch(37.7% 0.031 163.9)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#557D6A 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) | #7C7769 | 0.054 |
| Deuteranopia (no green cones) | #75736B | 0.051 |
| Tritanopia (no blue cones) | #4C7D77 | 0.021 |
| Achromatopsia (no color) | #757575 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557D6A
#557D6A
oklch(55.4% 0.054 163.5)
- #8A667B
#8A667B
oklch(55.4% 0.055 343.2)
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 #557D6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.044
- Slate Green #658D6D ΔE 0.054
- Battleship Gray #6C757D ΔE 0.054
- Battleship Grey #6B7C85 ΔE 0.054
- Teal #008080 ΔE 0.056
- Dusty Teal #4C9085 ΔE 0.058
- Bluegreen #017A79 ΔE 0.059
- Military Green #667C3E ΔE 0.059
Use #557D6A 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.