#5BBB3C
Closest named color: Leafy Green (#51B73B). oklch(70.8% 0.187 139.1), rgb(91, 187, 60).
Aa
Black text reads best on this color (8.61:1).
About this color
#5BBB3C is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.187 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 0.015 away. Black text reads best on it, at 8.61:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.61:1 |
| White text | 2.43:1 |
Values
| HEX | #5BBB3C |
| RGB | rgb(91, 187, 60) |
| HSL | hsl(105, 51%, 48%) |
| OKLCH | oklch(70.8% 0.187 139.1) |
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 #5BBB3C | 2.43:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #5BBB3C | 8.61:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #5BBB3C text on white | 2.43:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #5BBB3C text on black | 8.61:1 | AAA | Lc -54.4 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DFF0DA
oklch(93.7% 0.034 138.6)
-
Step 200
200
#C4E4BB
oklch(88.5% 0.065 138.8)
-
Step 300
300
#99D389
oklch(80.9% 0.117 139)
-
Step 400
400 (this color)
#5BBB3C
oklch(70.8% 0.187 139.1)
-
Step 500
500
#3AA400
oklch(63.2% 0.2 139.1)
-
Step 600
600
#2F8A00
oklch(55.7% 0.176 139.1)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800
#1E5F00
oklch(42.7% 0.135 139.1)
-
Step 900
900
#184F00
oklch(37.6% 0.119 139)
-
Step 950
950
#0B2F00
oklch(26.9% 0.085 139)
#5BBB3C 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) | #C0AB2A | 0.123 |
| Deuteranopia (no green cones) | #B4A347 | 0.124 |
| Tritanopia (no blue cones) | #52B5A1 | 0.127 |
| Achromatopsia (no color) | #A6A6A6 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BBB3C
#5BBB3C
oklch(70.8% 0.187 139.1)
- #D175E9
#D175E9
oklch(70.8% 0.186 319)
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 #5BBB3C, closest first.
No curated palette has a color within ΔE 0.04 of #5BBB3C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.015
- Frog Green #58BC08 ΔE 0.025
- Turtle Green #75B84F ΔE 0.034
- Shamrock Green #02C14D ΔE 0.035
- Dark Lime Green #7EBD01 ΔE 0.038
- Dark Lime #84B701 ΔE 0.040
- Grass #5CAC2D ΔE 0.041
- Cool Green #33B864 ΔE 0.045
Use #5BBB3C 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.