#537A63
Closest named color: Dark Sage (#598556). oklch(54.3% 0.057 158), rgb(83, 122, 99).
Aa
White text reads best on this color (4.84:1).
About this color
#537A63 is a medium-dark, muted green. In OKLCH its lightness is 54%, its chroma 0.057 and its hue 158°. 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 4.84:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #537A63 |
| RGB | rgb(83, 122, 99) |
| HSL | hsl(145, 19%, 40%) |
| OKLCH | oklch(54.3% 0.057 158) |
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 #537A63 | 4.84:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #537A63 | 4.33:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #537A63 text on white | 4.84:1 | AA | Lc 73.6 | Content text, not long reading |
| #537A63 text on black | 4.33:1 | AA large text | Lc -28.1 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B4C6BA
oklch(80.9% 0.026 156.6)
-
Step 400
400
#8CA997
oklch(70.8% 0.041 157.9)
-
Step 500
500
#6F937D
oklch(63% 0.052 157.7)
-
Step 600
600 (this color)
#537A63
oklch(54.3% 0.057 158)
-
Step 700
700
#476A55
oklch(49.1% 0.053 157.5)
-
Step 800
800
#3A5646
oklch(42.6% 0.043 158.9)
-
Step 900
900
#32473B
oklch(37.6% 0.033 159.2)
-
Step 950
950
#1E2A22
oklch(27.1% 0.022 155.5)
#537A63 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) | #797462 | 0.053 |
| Deuteranopia (no green cones) | #737064 | 0.051 |
| Tritanopia (no blue cones) | #4C7973 | 0.026 |
| Achromatopsia (no color) | #717171 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537A63
#537A63
oklch(54.3% 0.057 158)
- #86637B
#86637B
oklch(54.3% 0.057 338.4)
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 #537A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.044
- Military Green #667C3E ΔE 0.054
- Bluegreen #017A79 ΔE 0.058
- Teal #008080 ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.059
- Battleship Gray #6C757D ΔE 0.060
- Muddy Green #657432 ΔE 0.060
- Dim Gray #696969 ΔE 0.061
Use #537A63 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.