#537C59
Closest named color: Dark Sage (#598556). oklch(54.6% 0.071 148.3), rgb(83, 124, 89).
Aa
White text reads best on this color (4.77:1).
About this color
#537C59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.071 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.031 away. White text reads best on it, at 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #537C59 |
| RGB | rgb(83, 124, 89) |
| HSL | hsl(129, 20%, 41%) |
| OKLCH | oklch(54.6% 0.071 148.3) |
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 #537C59 | 4.77:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #537C59 | 4.39:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #537C59 text on white | 4.77:1 | AA | Lc 73.1 | Content text, not long reading |
| #537C59 text on black | 4.39:1 | AA large text | Lc -28.6 | 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
#D2DDD3
oklch(88.6% 0.018 148.1)
-
Step 300
300
#B3C7B5
oklch(80.9% 0.033 148.1)
-
Step 400
400
#8BAA8F
oklch(70.7% 0.052 148.6)
-
Step 500
500
#6E9573
oklch(63.1% 0.066 148.1)
-
Step 600
600 (this color)
#537C59
oklch(54.6% 0.071 148.3)
-
Step 700
700
#466B4B
oklch(49% 0.066 147.9)
-
Step 800
800
#3A573E
oklch(42.6% 0.054 148.1)
-
Step 900
900
#324835
oklch(37.7% 0.042 148.3)
-
Step 950
950
#1D2A1F
oklch(26.9% 0.027 149)
#537C59 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) | #7D7557 | 0.059 |
| Deuteranopia (no green cones) | #76715B | 0.057 |
| Tritanopia (no blue cones) | #4E7A73 | 0.042 |
| Achromatopsia (no color) | #727272 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537C59
#537C59
oklch(54.6% 0.071 148.3)
- #876185
#876185
oklch(54.5% 0.071 328.3)
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 #537C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.031
- Military Green #667C3E ΔE 0.039
- Muddy Green #657432 ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.052
- Sea Green #2E8B57 ΔE 0.054
- Swamp #698339 ΔE 0.055
- Slate Green #658D6D ΔE 0.059
- Dark Olive Green #556B2F ΔE 0.062
Use #537C59 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.