#5B8A4E
Closest named color: Fern Green (#548D44). oklch(58.4% 0.102 139.1), rgb(91, 138, 78).
Aa
Black text reads best on this color (5.19:1).
About this color
#5B8A4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.102 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.019 away. Black text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #5B8A4E |
| RGB | rgb(91, 138, 78) |
| HSL | hsl(107, 28%, 42%) |
| OKLCH | oklch(58.4% 0.102 139.1) |
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 #5B8A4E | 4.04:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #5B8A4E | 5.19:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #5B8A4E text on white | 4.04:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #5B8A4E text on black | 5.19:1 | AA | Lc -34.1 | 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
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#D1DDCE
oklch(88.4% 0.024 139.4)
-
Step 300
300
#B2C8AC
oklch(80.8% 0.045 139)
-
Step 400
400
#89AC80
oklch(70.7% 0.073 139.3)
-
Step 500
500
#6C9760
oklch(63.1% 0.093 139)
-
Step 600
600 (this color)
#5B8A4E
oklch(58.4% 0.102 139.1)
-
Step 700
700
#436D37
oklch(49% 0.094 139)
-
Step 800
800
#38592E
oklch(42.7% 0.078 138.7)
-
Step 900
900
#304929
oklch(37.6% 0.061 139)
-
Step 950
950
#1C2B19
oklch(27% 0.038 140.3)
#5B8A4E 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) | #8D8149 | 0.070 |
| Deuteranopia (no green cones) | #867D52 | 0.069 |
| Tritanopia (no blue cones) | #58867B | 0.069 |
| Achromatopsia (no color) | #7E7E7E | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8A4E
#5B8A4E
oklch(58.4% 0.102 139.1)
- #9567A2
#9567A2
oklch(58.3% 0.102 318.6)
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 #5B8A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.019
- Dark Sage #598556 ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.021
- Moss Green #658B38 ΔE 0.026
- Swamp #698339 ΔE 0.027
- Khaki Green #728639 ΔE 0.031
- Sea Green #2E8B57 ΔE 0.038
- Mossy Green #638B27 ΔE 0.039
Use #5B8A4E 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.