#5B8740
Closest named color: Fern Green (#548D44). oklch(57.4% 0.112 134.8), rgb(91, 135, 64).
Aa
Black text reads best on this color (4.98:1).
About this color
#5B8740 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.112 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.017 away. Black text reads best on it, at 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #5B8740 |
| RGB | rgb(91, 135, 64) |
| HSL | hsl(97, 36%, 39%) |
| OKLCH | oklch(57.4% 0.112 134.8) |
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 #5B8740 | 4.21:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #5B8740 | 4.98:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #5B8740 text on white | 4.21:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #5B8740 text on black | 4.98:1 | AA | Lc -32.7 | 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
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DECB
oklch(88.6% 0.029 135.6)
-
Step 300
300
#B3C8A8
oklch(80.8% 0.05 134.8)
-
Step 400
400
#8BAC79
oklch(70.6% 0.08 134.8)
-
Step 500
500
#6E9756
oklch(63% 0.103 134.8)
-
Step 600
600 (this color)
#5B8740
oklch(57.4% 0.112 134.8)
-
Step 700
700
#466D2D
oklch(49% 0.103 134.8)
-
Step 800
800
#3A5926
oklch(42.7% 0.086 134.6)
-
Step 900
900
#324924
oklch(37.6% 0.066 134.6)
-
Step 950
950
#1D2B15
oklch(27% 0.043 134.9)
#5B8740 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) | #8C7E3A | 0.069 |
| Deuteranopia (no green cones) | #857A45 | 0.069 |
| Tritanopia (no blue cones) | #5B8277 | 0.082 |
| Achromatopsia (no color) | #7B7B7B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8740
#5B8740
oklch(57.4% 0.112 134.8)
- #9163A6
#9163A6
oklch(57.4% 0.112 314.7)
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 #5B8740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.017
- Swamp #698339 ΔE 0.019
- Moss Green #658B38 ΔE 0.020
- Khaki Green #728639 ΔE 0.028
- Mossy Green #638B27 ΔE 0.029
- Dark Sage #598556 ΔE 0.030
- Light Forest Green #4F9153 ΔE 0.031
- Military Green #667C3E ΔE 0.034
Use #5B8740 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.