#5B8D63
Closest named color: Slate Green (#658D6D). oklch(59.6% 0.083 148.5), rgb(91, 141, 99).
Aa
Black text reads best on this color (5.43:1).
About this color
#5B8D63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.083 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.020 away. Black text reads best on it, at 5.43:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #5B8D63 |
| RGB | rgb(91, 141, 99) |
| HSL | hsl(130, 22%, 45%) |
| OKLCH | oklch(59.6% 0.083 148.5) |
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 #5B8D63 | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #5B8D63 | 5.43:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #5B8D63 text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #5B8D63 text on black | 5.43:1 | AA | Lc -35.6 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AFC8B2
oklch(80.8% 0.041 148.6)
-
Step 400
400
#85AC8A
oklch(70.6% 0.065 148.3)
-
Step 500
500 (this color)
#5B8D63
oklch(59.6% 0.083 148.5)
-
Step 600
600
#4B8255
oklch(55.6% 0.091 148.7)
-
Step 700
700
#3C6E45
oklch(49.1% 0.085 148.4)
-
Step 800
800
#325A39
oklch(42.8% 0.071 148.4)
-
Step 900
900
#2C4A31
oklch(37.8% 0.056 148.5)
-
Step 950
950
#1A2B1D
oklch(26.9% 0.034 149.2)
#5B8D63 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) | #8E8560 | 0.069 |
| Deuteranopia (no green cones) | #868065 | 0.066 |
| Tritanopia (no blue cones) | #548B82 | 0.048 |
| Achromatopsia (no color) | #828282 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8D63
#5B8D63
oklch(59.6% 0.083 148.5)
- #9B6D98
#9B6D98
oklch(59.7% 0.084 328.8)
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 #5B8D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.020
- Dark Sage #598556 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.039
- Fern Green #548D44 ΔE 0.042
- Green Grey #77926F ΔE 0.043
- Viridian #1E9167 ΔE 0.044
- Sea Green #2E8B57 ΔE 0.046
Use #5B8D63 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.