#5B9545
Closest named color: Light Forest Green (#4F9153). oklch(61.1% 0.128 137.8), rgb(91, 149, 69).
Aa
Black text reads best on this color (5.82:1).
About this color
#5B9545 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.128 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.025 away. Black text reads best on it, at 5.82:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #5B9545 |
| RGB | rgb(91, 149, 69) |
| HSL | hsl(104, 37%, 43%) |
| OKLCH | oklch(61.1% 0.128 137.8) |
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 #5B9545 | 3.60:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #5B9545 | 5.82:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #5B9545 text on white | 3.60:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #5B9545 text on black | 5.82:1 | AA | Lc -38.2 | 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 500.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CEDFC9
oklch(88.5% 0.035 138.6)
-
Step 300
300
#ADCBA3
oklch(80.9% 0.064 137.9)
-
Step 400
400
#82B071
oklch(70.8% 0.101 137.5)
-
Step 500
500 (this color)
#5B9545
oklch(61.1% 0.128 137.8)
-
Step 600
600
#46852C
oklch(55.5% 0.139 137.9)
-
Step 700
700
#37711E
oklch(49.1% 0.13 137.9)
-
Step 800
800
#2F5C1B
oklch(42.7% 0.107 137.5)
-
Step 900
900
#2A4C1D
oklch(37.8% 0.084 137.9)
-
Step 950
950
#192C12
oklch(26.9% 0.052 137.8)
#5B9545 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) | #998A3E | 0.084 |
| Deuteranopia (no green cones) | #91854A | 0.084 |
| Tritanopia (no blue cones) | #589083 | 0.089 |
| Achromatopsia (no color) | #878787 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B9545
#5B9545
oklch(61.1% 0.128 137.8)
- #A369B5
#A369B5
oklch(61.1% 0.128 317.9)
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 #5B9545, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.025
- Fern Green #548D44 ΔE 0.026
- Moss Green #658B38 ΔE 0.028
- Flat Green #699D4C ΔE 0.030
- Olive Drab #6B8E23 ΔE 0.030
- Mossy Green #638B27 ΔE 0.032
- Muted Green #5FA052 ΔE 0.033
- Drab Green #749551 ΔE 0.035
Use #5B9545 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.