#4BB339
Closest named color: Leafy Green (#51B73B). oklch(68.1% 0.186 140.9), rgb(75, 179, 57).
Aa
Black text reads best on this color (7.80:1).
About this color
#4BB339 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.186 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.013 away. Black text reads best on it, at 7.80:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.80:1 |
| White text | 2.69:1 |
Values
| HEX | #4BB339 |
| RGB | rgb(75, 179, 57) |
| HSL | hsl(111, 52%, 46%) |
| OKLCH | oklch(68.1% 0.186 140.9) |
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 #4BB339 | 2.69:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #4BB339 | 7.80:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #4BB339 text on white | 2.69:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #4BB339 text on black | 7.80:1 | AAA | Lc -50.0 | 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
#DEF0DB
oklch(93.6% 0.034 141.2)
-
Step 200
200
#C2E4BC
oklch(88.4% 0.065 140.9)
-
Step 300
300
#96D48C
oklch(81% 0.117 141.1)
-
Step 400
400 (this color)
#4BB339
oklch(68.1% 0.186 140.9)
-
Step 500
500
#27A500
oklch(63% 0.207 140.9)
-
Step 600
600
#1F8B00
oklch(55.6% 0.182 140.9)
-
Step 700
700
#197500
oklch(49.1% 0.161 140.9)
-
Step 800
800
#126000
oklch(42.7% 0.14 141)
-
Step 900
900
#0E5000
oklch(37.6% 0.123 140.9)
-
Step 950
950
#053000
oklch(27% 0.089 141)
#4BB339 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) | #B8A328 | 0.129 |
| Deuteranopia (no green cones) | #AA9A44 | 0.128 |
| Tritanopia (no blue cones) | #3DAD9A | 0.124 |
| Achromatopsia (no color) | #9E9E9E | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BB339
#4BB339
oklch(68.1% 0.186 140.9)
- #CB6BDD
#CB6BDD
oklch(68% 0.187 321.1)
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 #4BB339, closest first.
No curated palette has a color within ΔE 0.04 of #4BB339.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.013
- Grass #5CAC2D ΔE 0.021
- Medium Green #39AD48 ΔE 0.027
- Shamrock #01B44C ΔE 0.027
- Leaf Green #5CA904 ΔE 0.031
- Dark Pastel Green #56AE57 ΔE 0.038
- Frog Green #58BC08 ΔE 0.039
- Leaf #71AA34 ΔE 0.039
Use #4BB339 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.