#537C55
Closest named color: Dark Sage (#598556). oklch(54.5% 0.075 145.6), rgb(83, 124, 85).
Aa
White text reads best on this color (4.79:1).
About this color
#537C55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.075 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.029 away. White text reads best on it, at 4.79:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #537C55 |
| RGB | rgb(83, 124, 85) |
| HSL | hsl(123, 20%, 41%) |
| OKLCH | oklch(54.5% 0.075 145.6) |
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 #537C55 | 4.79:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #537C55 | 4.38:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #537C55 text on white | 4.79:1 | AA | Lc 73.2 | Content text, not long reading |
| #537C55 text on black | 4.38:1 | AA large text | Lc -28.5 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D2DDD2
oklch(88.6% 0.019 145.4)
-
Step 300
300
#B3C7B4
oklch(80.9% 0.034 146.6)
-
Step 400
400
#8CAA8C
oklch(70.7% 0.054 145)
-
Step 500
500
#6F9570
oklch(63.1% 0.069 145.4)
-
Step 600
600 (this color)
#537C55
oklch(54.5% 0.075 145.6)
-
Step 700
700
#466B48
oklch(49% 0.07 145.7)
-
Step 800
800
#3A583B
oklch(42.8% 0.059 145.2)
-
Step 900
900
#324833
oklch(37.7% 0.045 145.7)
-
Step 950
950
#1D2A1E
oklch(26.9% 0.028 146.7)
#537C55 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) | #7D7553 | 0.059 |
| Deuteranopia (no green cones) | #777157 | 0.058 |
| Tritanopia (no blue cones) | #4E7A72 | 0.046 |
| Achromatopsia (no color) | #727272 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537C55
#537C55
oklch(54.5% 0.075 145.6)
- #876188
#876188
oklch(54.6% 0.075 325.7)
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 #537C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.029
- Military Green #667C3E ΔE 0.034
- Muddy Green #657432 ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.050
- Swamp #698339 ΔE 0.051
- Sea Green #2E8B57 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.058
- Slate Green #658D6D ΔE 0.061
Use #537C55 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.