#557D55
Closest named color: Dark Sage (#598556). oklch(54.9% 0.076 144.5), rgb(85, 125, 85).
Aa
White text reads best on this color (4.71:1).
About this color
#557D55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.076 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.025 away. White text reads best on it, at 4.71:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #557D55 |
| RGB | rgb(85, 125, 85) |
| HSL | hsl(120, 19%, 41%) |
| OKLCH | oklch(54.9% 0.076 144.5) |
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 #557D55 | 4.71:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #557D55 | 4.45:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #557D55 text on white | 4.71:1 | AA | Lc 72.7 | Content text, not long reading |
| #557D55 text on black | 4.45:1 | AA large text | Lc -29.0 | 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
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D2DDD1
oklch(88.6% 0.02 143)
-
Step 300
300
#B4C7B3
oklch(81% 0.035 143.9)
-
Step 400
400
#8CAA8C
oklch(70.7% 0.054 145)
-
Step 500
500
#6F956F
oklch(63.1% 0.07 144.7)
-
Step 600
600 (this color)
#557D55
oklch(54.9% 0.076 144.5)
-
Step 700
700
#476B47
oklch(49% 0.07 144.4)
-
Step 800
800
#3B573B
oklch(42.6% 0.057 144.5)
-
Step 900
900
#324832
oklch(37.6% 0.046 144.6)
-
Step 950
950
#1E2A1E
oklch(27% 0.027 144.8)
#557D55 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) | #7F7652 | 0.059 |
| Deuteranopia (no green cones) | #787257 | 0.057 |
| Tritanopia (no blue cones) | #517B72 | 0.045 |
| Achromatopsia (no color) | #737373 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557D55
#557D55
oklch(54.9% 0.076 144.5)
- #88628A
#88628A
oklch(55% 0.076 324.9)
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 #557D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.025
- Military Green #667C3E ΔE 0.032
- Muddy Green #657432 ΔE 0.043
- Swamp #698339 ΔE 0.048
- Sea Green #2E8B57 ΔE 0.050
- Dark Moss Green #606C38 ΔE 0.052
- Slate Green #658D6D ΔE 0.057
- Fern Green #548D44 ΔE 0.059
Use #557D55 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.