#5BBB3F
Closest named color: Leafy Green (#51B73B). oklch(70.8% 0.185 139.4), rgb(91, 187, 63).
Aa
Black text reads best on this color (8.62:1).
About this color
#5BBB3F is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.185 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 8.62:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.62:1 |
| White text | 2.43:1 |
Values
| HEX | #5BBB3F |
| RGB | rgb(91, 187, 63) |
| HSL | hsl(106, 50%, 49%) |
| OKLCH | oklch(70.8% 0.185 139.4) |
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 #5BBB3F | 2.43:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #5BBB3F | 8.62:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #5BBB3F text on white | 2.43:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #5BBB3F text on black | 8.62:1 | 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
#DFF0DB
oklch(93.7% 0.033 139.7)
-
Step 200
200
#C4E4BC
oklch(88.5% 0.064 139.4)
-
Step 300
300
#99D38A
oklch(80.9% 0.116 139.3)
-
Step 400
400 (this color)
#5BBB3F
oklch(70.8% 0.185 139.4)
-
Step 500
500
#37A400
oklch(63.1% 0.201 139.4)
-
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
#1C5F00
oklch(42.6% 0.136 139.5)
-
Step 900
900
#164F00
oklch(37.6% 0.119 139.4)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#5BBB3F 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) | #C0AB2F | 0.123 |
| Deuteranopia (no green cones) | #B4A34A | 0.124 |
| Tritanopia (no blue cones) | #52B5A2 | 0.126 |
| Achromatopsia (no color) | #A6A6A6 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BBB3F
#5BBB3F
oklch(70.8% 0.185 139.4)
- #D175E8
#D175E8
oklch(70.7% 0.185 319.3)
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 #5BBB3F, closest first.
No curated palette has a color within ΔE 0.04 of #5BBB3F.
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 0.028
- Turtle Green #75B84F ΔE 0.033
- Shamrock Green #02C14D ΔE 0.035
- Dark Lime Green #7EBD01 ΔE 0.039
- Dark Lime #84B701 ΔE 0.041
- Grass #5CAC2D ΔE 0.041
- Cool Green #33B864 ΔE 0.043
Use #5BBB3F 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.