#4BB440
Closest named color: Leafy Green (#51B73B). oklch(68.4% 0.183 141.8), rgb(75, 180, 64).
Aa
Black text reads best on this color (7.90:1).
About this color
#4BB440 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.183 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.012 away. Black text reads best on it, at 7.90:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #4BB440 |
| RGB | rgb(75, 180, 64) |
| HSL | hsl(114, 48%, 48%) |
| OKLCH | oklch(68.4% 0.183 141.8) |
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 #4BB440 | 2.65:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #4BB440 | 7.90:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #4BB440 text on white | 2.65:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #4BB440 text on black | 7.90:1 | AAA | Lc -50.6 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DC
oklch(93.6% 0.033 142.5)
-
Step 200
200
#C2E4BE
oklch(88.4% 0.063 142.2)
-
Step 300
300
#96D38E
oklch(80.8% 0.114 141.7)
-
Step 400
400 (this color)
#4BB440
oklch(68.4% 0.183 141.8)
-
Step 500
500
#18A600
oklch(63% 0.211 141.8)
-
Step 600
600
#138C00
oklch(55.6% 0.186 141.8)
-
Step 700
700
#0E7600
oklch(49.2% 0.165 141.8)
-
Step 800
800
#0A6100
oklch(42.8% 0.143 141.7)
-
Step 900
900
#075100
oklch(37.8% 0.126 141.7)
-
Step 950
950
#023000
oklch(26.9% 0.09 141.9)
#4BB440 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) | #B8A432 | 0.128 |
| Deuteranopia (no green cones) | #AB9B4A | 0.129 |
| Tritanopia (no blue cones) | #3BAF9C | 0.119 |
| Achromatopsia (no color) | #9F9F9F | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BB440
#4BB440
oklch(68.4% 0.183 141.8)
- #CC6DDC
#CC6DDC
oklch(68.4% 0.183 321.7)
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 #4BB440, closest first.
No curated palette has a color within ΔE 0.04 of #4BB440.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.012
- Grass #5CAC2D ΔE 0.023
- Shamrock #01B44C ΔE 0.027
- Medium Green #39AD48 ΔE 0.027
- Cool Green #33B864 ΔE 0.034
- Dark Pastel Green #56AE57 ΔE 0.034
- Leaf Green #5CA904 ΔE 0.035
- Shamrock Green #02C14D ΔE 0.038
Use #4BB440 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.