#5BB345
Closest named color: Leafy Green (#51B73B). oklch(68.8% 0.17 139.8), rgb(91, 179, 69).
Aa
Black text reads best on this color (7.97:1).
About this color
#5BB345 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.170 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.018 away. Black text reads best on it, at 7.97:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.97:1 |
| White text | 2.63:1 |
Values
| HEX | #5BB345 |
| RGB | rgb(91, 179, 69) |
| HSL | hsl(108, 44%, 49%) |
| OKLCH | oklch(68.8% 0.17 139.8) |
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 #5BB345 | 2.63:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #5BB345 | 7.97:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #5BB345 text on white | 2.63:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #5BB345 text on black | 7.97:1 | AAA | Lc -50.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDC
oklch(93.6% 0.03 139.1)
-
Step 200
200
#C5E3BE
oklch(88.4% 0.059 139.8)
-
Step 300
300
#9CD290
oklch(81% 0.106 139.9)
-
Step 400
400 (this color)
#5BB345
oklch(68.8% 0.17 139.8)
-
Step 500
500
#34A400
oklch(63% 0.202 139.7)
-
Step 600
600
#2A8A00
oklch(55.5% 0.178 139.8)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
Step 800
800
#1A5F00
oklch(42.6% 0.136 139.8)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#5BB345 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) | #B8A439 | 0.116 |
| Deuteranopia (no green cones) | #AC9D4E | 0.115 |
| Tritanopia (no blue cones) | #53AD9C | 0.116 |
| Achromatopsia (no color) | #9F9F9F | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB345
#5BB345
oklch(68.8% 0.17 139.8)
- #C874DB
#C874DB
oklch(68.9% 0.169 320)
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 #5BB345, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.018
- Grass #5CAC2D ΔE 0.023
- Dark Pastel Green #56AE57 ΔE 0.026
- Leaf #71AA34 ΔE 0.029
- Medium Green #39AD48 ΔE 0.032
- Turtle Green #75B84F ΔE 0.033
- Cool Green #33B864 ΔE 0.034
- Fern #63A950 ΔE 0.034
Use #5BB345 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.