#538B59
Closest named color: Dark Sage (#598556). oklch(58.4% 0.096 146.7), rgb(83, 139, 89).
Aa
Black text reads best on this color (5.20:1).
About this color
#538B59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.096 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.017 away. Black text reads best on it, at 5.20:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.20:1 |
| White text | 4.03:1 |
Values
| HEX | #538B59 |
| RGB | rgb(83, 139, 89) |
| HSL | hsl(126, 25%, 44%) |
| OKLCH | oklch(58.4% 0.096 146.7) |
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 #538B59 | 4.03:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #538B59 | 5.20:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #538B59 text on white | 4.03:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #538B59 text on black | 5.20:1 | AA | Lc -34.2 | Non-text elements, placeholder text |
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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AFC9B1
oklch(81% 0.044 147.3)
-
Step 400
400
#84AD87
oklch(70.7% 0.07 146.7)
-
Step 500
500
#65986A
oklch(63.1% 0.088 146.8)
-
Step 600
600 (this color)
#538B59
oklch(58.4% 0.096 146.7)
-
Step 700
700
#3B6E42
oklch(49% 0.089 147.2)
-
Step 800
800
#325A36
oklch(42.8% 0.074 146.4)
-
Step 900
900
#2C4A2F
oklch(37.7% 0.058 146.7)
-
Step 950
950
#1A2B1C
oklch(26.9% 0.036 147.4)
#538B59 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) | #8D8256 | 0.078 |
| Deuteranopia (no green cones) | #847C5C | 0.076 |
| Tritanopia (no blue cones) | #4B897E | 0.056 |
| Achromatopsia (no color) | #7E7E7E | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538B59
#538B59
oklch(58.4% 0.096 146.7)
- #9A679A
#9A679A
oklch(58.6% 0.096 326.7)
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 #538B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.022
- Fern Green #548D44 ΔE 0.029
- Sea Green #2E8B57 ΔE 0.031
- Viridian #1E9167 ΔE 0.037
- Slate Green #658D6D ΔE 0.037
- Swamp #698339 ΔE 0.040
- Moss Green #658B38 ΔE 0.040
Use #538B59 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.