#4FBB38
Closest named color: Leafy Green (#51B73B). oklch(70.3% 0.195 140.5), rgb(79, 187, 56).
Aa
Black text reads best on this color (8.49:1).
About this color
#4FBB38 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.195 and its hue 140°. 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 8.49:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #4FBB38 |
| RGB | rgb(79, 187, 56) |
| HSL | hsl(109, 54%, 48%) |
| OKLCH | oklch(70.3% 0.195 140.5) |
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 #4FBB38 | 2.47:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #4FBB38 | 8.49:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #4FBB38 text on white | 2.47:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #4FBB38 text on black | 8.49:1 | AAA | Lc -53.8 | 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
#DEF0DA
oklch(93.6% 0.035 140)
-
Step 200
200
#C2E5BB
oklch(88.6% 0.068 140.4)
-
Step 300
300
#95D489
oklch(80.9% 0.121 140.5)
-
Step 400
400 (this color)
#4FBB38
oklch(70.3% 0.195 140.5)
-
Step 500
500
#2DA500
oklch(63.1% 0.205 140.4)
-
Step 600
600
#248B00
oklch(55.7% 0.181 140.5)
-
Step 700
700
#1D7500
oklch(49.2% 0.16 140.4)
-
Step 800
800
#166000
oklch(42.8% 0.139 140.4)
-
Step 900
900
#115000
oklch(37.7% 0.122 140.4)
-
Step 950
950
#073000
oklch(27% 0.088 140.4)
#4FBB38 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) | #C0AA24 | 0.133 |
| Deuteranopia (no green cones) | #B2A145 | 0.133 |
| Tritanopia (no blue cones) | #41B5A1 | 0.130 |
| Achromatopsia (no color) | #A5A5A5 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FBB38
#4FBB38
oklch(70.3% 0.195 140.5)
- #D370E8
#D370E8
oklch(70.2% 0.194 320.4)
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 #4FBB38, closest first.
No curated palette has a color within ΔE 0.04 of #4FBB38.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.012
- Frog Green #58BC08 ΔE 0.021
- Shamrock Green #02C14D ΔE 0.028
- Grass #5CAC2D ΔE 0.041
- Shamrock #01B44C ΔE 0.042
- Dark Lime Green #7EBD01 ΔE 0.044
- Turtle Green #75B84F ΔE 0.044
- Cool Green #33B864 ΔE 0.046
Use #4FBB38 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.