#4FB434
Closest named color: Leafy Green (#51B73B). oklch(68.4% 0.189 139.8), rgb(79, 180, 52).
Aa
Black text reads best on this color (7.91:1).
About this color
#4FB434 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.189 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 0.010 away. Black text reads best on it, at 7.91:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #4FB434 |
| RGB | rgb(79, 180, 52) |
| HSL | hsl(107, 55%, 45%) |
| OKLCH | oklch(68.4% 0.189 139.8) |
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 #4FB434 | 2.65:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #4FB434 | 7.91:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #4FB434 text on white | 2.65:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #4FB434 text on black | 7.91:1 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DEF0DA
oklch(93.6% 0.035 140)
-
Step 200
200
#C3E4BB
oklch(88.4% 0.065 139.6)
-
Step 300
300
#97D38A
oklch(80.8% 0.117 140)
-
Step 400
400 (this color)
#4FB434
oklch(68.4% 0.189 139.8)
-
Step 500
500
#33A400
oklch(63% 0.202 139.8)
-
Step 600
600
#2A8A00
oklch(55.5% 0.178 139.8)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
Step 800
800
#1A5F00
oklch(42.6% 0.136 139.8)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#4FB434 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) | #B9A41F | 0.127 |
| Deuteranopia (no green cones) | #AC9C40 | 0.126 |
| Tritanopia (no blue cones) | #44AE9B | 0.128 |
| Achromatopsia (no color) | #9F9F9F | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FB434
#4FB434
oklch(68.4% 0.189 139.8)
- #CB6CE1
#CB6CE1
oklch(68.4% 0.189 319.8)
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 #4FB434, closest first.
No curated palette has a color within ΔE 0.04 of #4FB434.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.010
- Grass #5CAC2D ΔE 0.022
- Leaf Green #5CA904 ΔE 0.031
- Shamrock #01B44C ΔE 0.032
- Medium Green #39AD48 ΔE 0.033
- Frog Green #58BC08 ΔE 0.033
- Shamrock Green #02C14D ΔE 0.039
- Leaf #71AA34 ΔE 0.040
Use #4FB434 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.