#4CB540
Closest named color: Leafy Green (#51B73B). oklch(68.7% 0.183 141.6), rgb(76, 181, 64).
Aa
Black text reads best on this color (7.99:1).
About this color
#4CB540 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.183 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 0.009 away. Black text reads best on it, at 7.99:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #4CB540 |
| RGB | rgb(76, 181, 64) |
| HSL | hsl(114, 48%, 48%) |
| OKLCH | oklch(68.7% 0.183 141.6) |
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 #4CB540 | 2.62:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #4CB540 | 7.99:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #4CB540 text on white | 2.62:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #4CB540 text on black | 7.99:1 | AAA | Lc -51.0 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DB
oklch(93.6% 0.034 141.2)
-
Step 200
200
#C2E4BD
oklch(88.4% 0.064 141.5)
-
Step 300
300
#96D38E
oklch(80.8% 0.114 141.7)
-
Step 400
400 (this color)
#4CB540
oklch(68.7% 0.183 141.6)
-
Step 500
500
#1BA600
oklch(63.1% 0.21 141.6)
-
Step 600
600
#158C00
oklch(55.7% 0.186 141.6)
-
Step 700
700
#107600
oklch(49.2% 0.164 141.6)
-
Step 800
800
#0B6100
oklch(42.8% 0.143 141.7)
-
Step 900
900
#085100
oklch(37.8% 0.126 141.6)
-
Step 950
950
#033000
oklch(26.9% 0.09 141.6)
#4CB540 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) | #B9A532 | 0.128 |
| Deuteranopia (no green cones) | #AC9C4A | 0.129 |
| Tritanopia (no blue cones) | #3DB09D | 0.120 |
| Achromatopsia (no color) | #A0A0A0 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4CB540
#4CB540
oklch(68.7% 0.183 141.6)
- #CD6EDD
#CD6EDD
oklch(68.7% 0.183 321.7)
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 #4CB540, closest first.
No curated palette has a color within ΔE 0.04 of #4CB540.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.009
- Grass #5CAC2D ΔE 0.025
- Shamrock #01B44C ΔE 0.028
- Medium Green #39AD48 ΔE 0.030
- Cool Green #33B864 ΔE 0.034
- Dark Pastel Green #56AE57 ΔE 0.036
- Shamrock Green #02C14D ΔE 0.036
- Leaf Green #5CA904 ΔE 0.037
Use #4CB540 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.