#5BB343
Closest named color: Leafy Green (#51B73B). oklch(68.8% 0.172 139.5), rgb(91, 179, 67).
Aa
Black text reads best on this color (7.97:1).
About this color
#5BB343 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.172 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 0.017 away. Black text reads best on it, at 7.97:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.97:1 |
| White text | 2.63:1 |
Values
| HEX | #5BB343 |
| RGB | rgb(91, 179, 67) |
| HSL | hsl(107, 46%, 48%) |
| OKLCH | oklch(68.8% 0.172 139.5) |
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 #5BB343 | 2.63:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #5BB343 | 7.97:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #5BB343 text on white | 2.63:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #5BB343 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
#9CD28F
oklch(80.9% 0.108 139.6)
-
Step 400
400 (this color)
#5BB343
oklch(68.8% 0.172 139.5)
-
Step 500
500
#36A400
oklch(63.1% 0.201 139.5)
-
Step 600
600
#2C8A00
oklch(55.6% 0.177 139.5)
-
Step 700
700
#247400
oklch(49.1% 0.156 139.5)
-
Step 800
800
#1C5F00
oklch(42.6% 0.136 139.5)
-
Step 900
900
#165000
oklch(37.9% 0.121 139.5)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#5BB343 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) | #B8A436 | 0.116 |
| Deuteranopia (no green cones) | #AC9D4C | 0.115 |
| Tritanopia (no blue cones) | #53AD9B | 0.116 |
| Achromatopsia (no color) | #9F9F9F | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB343
#5BB343
oklch(68.8% 0.172 139.5)
- #C873DC
#C873DC
oklch(68.8% 0.172 319.8)
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 #5BB343, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.017
- Grass #5CAC2D ΔE 0.022
- Dark Pastel Green #56AE57 ΔE 0.028
- Leaf #71AA34 ΔE 0.029
- Medium Green #39AD48 ΔE 0.033
- Turtle Green #75B84F ΔE 0.033
- Cool Green #33B864 ΔE 0.035
- Fern #63A950 ΔE 0.035
Use #5BB343 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.