#537A5D
Closest named color: Dark Sage (#598556). oklch(54.2% 0.063 151.9), rgb(83, 122, 93).
Aa
White text reads best on this color (4.87:1).
About this color
#537A5D is a medium-dark, muted green. In OKLCH its lightness is 54%, its chroma 0.063 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.039 away. White text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #537A5D |
| RGB | rgb(83, 122, 93) |
| HSL | hsl(135, 19%, 40%) |
| OKLCH | oklch(54.2% 0.063 151.9) |
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 #537A5D | 4.87:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #537A5D | 4.30:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #537A5D text on white | 4.87:1 | AA | Lc 73.7 | Content text, not long reading |
| #537A5D text on black | 4.30:1 | AA large text | Lc -28.0 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD4
oklch(88.5% 0.015 151.7)
-
Step 300
300
#B4C6B8
oklch(80.9% 0.028 152.3)
-
Step 400
400
#8CA993
oklch(70.6% 0.045 152.4)
-
Step 500
500
#6F9478
oklch(63.1% 0.059 151.9)
-
Step 600
600 (this color)
#537A5D
oklch(54.2% 0.063 151.9)
-
Step 700
700
#476A50
oklch(49% 0.058 151.9)
-
Step 800
800
#3B5742
oklch(42.8% 0.048 151.8)
-
Step 900
900
#324838
oklch(37.8% 0.039 152.8)
-
Step 950
950
#1E2A21
oklch(27.1% 0.023 152.3)
#537A5D 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) | #7A745B | 0.054 |
| Deuteranopia (no green cones) | #746F5F | 0.055 |
| Tritanopia (no blue cones) | #4D7972 | 0.033 |
| Achromatopsia (no color) | #717171 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537A5D
#537A5D
oklch(54.2% 0.063 151.9)
- #856280
#856280
oklch(54.2% 0.063 331.4)
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 #537A5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.039
- Military Green #667C3E ΔE 0.046
- Muddy Green #657432 ΔE 0.052
- Dark Moss Green #606C38 ΔE 0.053
- Sea Green #2E8B57 ΔE 0.062
- Bluegreen #017A79 ΔE 0.062
- Slate Green #658D6D ΔE 0.063
- Dark Olive Green #556B2F ΔE 0.063
Use #537A5D 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.