#5BB242
Closest named color: Leafy Green (#51B73B). oklch(68.5% 0.171 139.3), rgb(91, 178, 66).
Aa
Black text reads best on this color (7.89:1).
About this color
#5BB242 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.171 and its hue 139°. 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 7.89:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.89:1 |
| White text | 2.66:1 |
Values
| HEX | #5BB242 |
| RGB | rgb(91, 178, 66) |
| HSL | hsl(107, 46%, 48%) |
| OKLCH | oklch(68.5% 0.171 139.3) |
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 #5BB242 | 2.66:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #5BB242 | 7.89:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #5BB242 text on white | 2.66:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #5BB242 text on black | 7.89:1 | AAA | Lc -50.4 | 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
#C6E3BE
oklch(88.5% 0.059 138.9)
-
Step 300
300
#9DD28F
oklch(81% 0.107 139.2)
-
Step 400
400 (this color)
#5BB242
oklch(68.5% 0.171 139.3)
-
Step 500
500
#38A400
oklch(63.1% 0.2 139.3)
-
Step 600
600
#2D8A00
oklch(55.6% 0.177 139.4)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#1D5F00
oklch(42.7% 0.135 139.3)
-
Step 900
900
#174F00
oklch(37.6% 0.119 139.2)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#5BB242 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) | #B7A335 | 0.115 |
| Deuteranopia (no green cones) | #AB9C4B | 0.114 |
| Tritanopia (no blue cones) | #53AC9A | 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°).
- #5BB242
#5BB242
oklch(68.5% 0.171 139.3)
- #C673DB
#C673DB
oklch(68.5% 0.17 319.3)
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 #5BB242, 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 0.020
- Dark Pastel Green #56AE57 ΔE 0.027
- Leaf #71AA34 ΔE 0.027
- Medium Green #39AD48 ΔE 0.031
- Fern #63A950 ΔE 0.034
- Turtle Green #75B84F ΔE 0.035
- Leaf Green #5CA904 ΔE 0.036
Use #5BB242 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.