#4BB840
Closest named color: Leafy Green (#51B73B). oklch(69.4% 0.188 141.8), rgb(75, 184, 64).
Aa
Black text reads best on this color (8.22:1).
About this color
#4BB840 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.188 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 0.005 away. Black text reads best on it, at 8.22:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.22:1 |
| White text | 2.55:1 |
Values
| HEX | #4BB840 |
| RGB | rgb(75, 184, 64) |
| HSL | hsl(115, 48%, 49%) |
| OKLCH | oklch(69.4% 0.188 141.8) |
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 #4BB840 | 2.55:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #4BB840 | 8.22:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #4BB840 text on white | 2.55:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #4BB840 text on black | 8.22:1 | AAA | Lc -52.4 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DB
oklch(93.6% 0.034 141.2)
-
Step 200
200
#C2E5BD
oklch(88.6% 0.065 141.6)
-
Step 300
300
#95D48D
oklch(80.9% 0.117 141.7)
-
Step 400
400 (this color)
#4BB840
oklch(69.4% 0.188 141.8)
-
Step 500
500
#17A600
oklch(63% 0.211 141.8)
-
Step 600
600
#128C00
oklch(55.6% 0.186 141.8)
-
Step 700
700
#0D7600
oklch(49.2% 0.165 141.8)
-
Step 800
800
#096100
oklch(42.8% 0.143 141.8)
-
Step 900
900
#065100
oklch(37.8% 0.127 141.8)
-
Step 950
950
#023000
oklch(26.9% 0.09 141.9)
#4BB840 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) | #BCA831 | 0.131 |
| Deuteranopia (no green cones) | #AF9F4B | 0.132 |
| Tritanopia (no blue cones) | #3AB39F | 0.121 |
| Achromatopsia (no color) | #A2A2A2 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BB840
#4BB840
oklch(69.4% 0.188 141.8)
- #D16FE1
#D16FE1
oklch(69.5% 0.188 321.8)
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 #4BB840, closest first.
No curated palette has a color within ΔE 0.04 of #4BB840.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.005
- Shamrock Green #02C14D ΔE 0.030
- Frog Green #58BC08 ΔE 0.032
- Shamrock #01B44C ΔE 0.032
- Grass #5CAC2D ΔE 0.033
- Cool Green #33B864 ΔE 0.036
- Medium Green #39AD48 ΔE 0.038
- Turtle Green #75B84F ΔE 0.043
Use #4BB840 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.