#5B8A4B
Closest named color: Fern Green (#548D44). oklch(58.4% 0.105 138.1), rgb(91, 138, 75).
Aa
Black text reads best on this color (5.18:1).
About this color
#5B8A4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.105 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.016 away. Black text reads best on it, at 5.18:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #5B8A4B |
| RGB | rgb(91, 138, 75) |
| HSL | hsl(105, 30%, 42%) |
| OKLCH | oklch(58.4% 0.105 138.1) |
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 #5B8A4B | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #5B8A4B | 5.18:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #5B8A4B text on white | 4.05:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #5B8A4B text on black | 5.18:1 | AA | Lc -34.0 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E5ECE3
oklch(93.5% 0.014 138.7)
-
Step 200
200
#D1DECD
oklch(88.6% 0.027 138.3)
-
Step 300
300
#B2C8AB
oklch(80.8% 0.047 138.1)
-
Step 400
400
#89AC7E
oklch(70.6% 0.076 138.3)
-
Step 500
500
#6C975D
oklch(63% 0.096 137.9)
-
Step 600
600 (this color)
#5B8A4B
oklch(58.4% 0.105 138.1)
-
Step 700
700
#436E35
oklch(49.2% 0.098 138.5)
-
Step 800
800
#38592C
oklch(42.6% 0.08 137.9)
-
Step 900
900
#304928
oklch(37.5% 0.062 138.4)
-
Step 950
950
#1D2B18
oklch(27% 0.039 137.7)
#5B8A4B 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) | #8E8146 | 0.071 |
| Deuteranopia (no green cones) | #877D4F | 0.070 |
| Tritanopia (no blue cones) | #59867B | 0.072 |
| Achromatopsia (no color) | #7E7E7E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8A4B
#5B8A4B
oklch(58.4% 0.105 138.1)
- #9566A4
#9566A4
oklch(58.3% 0.106 317.7)
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 #5B8A4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.016
- Light Forest Green #4F9153 ΔE 0.021
- Moss Green #658B38 ΔE 0.023
- Dark Sage #598556 ΔE 0.024
- Swamp #698339 ΔE 0.025
- Khaki Green #728639 ΔE 0.030
- Mossy Green #638B27 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.039
Use #5B8A4B 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.