#4FB403
Closest named color: Frog Green (#58BC08). oklch(68.2% 0.207 137.4), rgb(79, 180, 3).
Aa
Black text reads best on this color (7.86:1).
About this color
#4FB403 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.207 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Frog Green (#58BC08), ΔE 0.025 away. Black text reads best on it, at 7.86:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.207) |
| Temperature | in between |
| Nearest name | Frog Green (#58BC08) |
| Black text | 7.86:1 |
| White text | 2.67:1 |
Values
| HEX | #4FB403 |
| RGB | rgb(79, 180, 3) |
| HSL | hsl(94, 97%, 36%) |
| OKLCH | oklch(68.2% 0.207 137.4) |
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 #4FB403 | 2.67:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #4FB403 | 7.86:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #4FB403 text on white | 2.67:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #4FB403 text on black | 7.86:1 | AAA | Lc -50.4 | 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
#F0F8ED
oklch(97% 0.017 137)
-
Step 100
100
#DEF0D8
oklch(93.5% 0.037 137.8)
-
Step 200
200
#C3E5B6
oklch(88.5% 0.073 137.1)
-
Step 300
300
#97D480
oklch(80.8% 0.129 137.5)
-
Step 400
400 (this color)
#4FB403
oklch(68.2% 0.207 137.4)
-
Step 500
500
#46A200
oklch(63.1% 0.192 137.3)
-
Step 600
600
#3A8800
oklch(55.5% 0.169 137.3)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#1E4E00
oklch(37.5% 0.114 137.3)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#4FB403 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) | #BAA300 | 0.133 |
| Deuteranopia (no green cones) | #AE9B26 | 0.132 |
| Tritanopia (no blue cones) | #47AD98 | 0.146 |
| Achromatopsia (no color) | #9E9E9E | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FB403
#4FB403
oklch(68.2% 0.207 137.4)
- #CB67EB
#CB67EB
oklch(68.2% 0.207 317.3)
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 #4FB403, closest first.
No curated palette has a color within ΔE 0.04 of #4FB403.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Frog Green #58BC08 ΔE 0.025
- Leafy Green #51B73B ΔE 0.025
- Leaf Green #5CA904 ΔE 0.032
- Grass #5CAC2D ΔE 0.033
- Shamrock #01B44C ΔE 0.044
- Shamrock Green #02C14D ΔE 0.045
- Kelly Green #02AB2E ΔE 0.047
- Medium Green #39AD48 ΔE 0.047
Use #4FB403 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.