#4BC15B
Closest named color: Algae Green (#21C36F). oklch(72.1% 0.177 145.9), rgb(75, 193, 91).
Aa
Black text reads best on this color (9.07:1).
About this color
#4BC15B is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.177 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.024 away. Black text reads best on it, at 9.07:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.07:1 |
| White text | 2.31:1 |
Values
| HEX | #4BC15B |
| RGB | rgb(75, 193, 91) |
| HSL | hsl(128, 49%, 53%) |
| OKLCH | oklch(72.1% 0.177 145.9) |
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 #4BC15B | 2.31:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #4BC15B | 9.07:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #4BC15B text on white | 2.31:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #4BC15B text on black | 9.07:1 | AAA | Lc -56.8 | 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
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#DDF0DD
oklch(93.6% 0.032 145.3)
-
Step 200
200
#C0E5C1
oklch(88.6% 0.062 145.7)
-
Step 300
300
#91D495
oklch(80.9% 0.111 145.9)
-
Step 400
400 (this color)
#4BC15B
oklch(72.1% 0.177 145.9)
-
Step 500
500
#00A634
oklch(63.1% 0.193 145.9)
-
Step 600
600
#008C2A
oklch(55.7% 0.171 145.8)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800
#00601A
oklch(42.5% 0.131 145.8)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#4BC15B 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) | #C4B152 | 0.136 |
| Deuteranopia (no green cones) | #B5A662 | 0.136 |
| Tritanopia (no blue cones) | #2FBDAA | 0.106 |
| Achromatopsia (no color) | #AAAAAA | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BC15B
#4BC15B
oklch(72.1% 0.177 145.9)
- #DC79E0
#DC79E0
oklch(72.2% 0.177 325.8)
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 #4BC15B, closest first.
No curated palette has a color within ΔE 0.04 of #4BC15B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.024
- Dark Mint #48C072 ΔE 0.027
- Dark Mint Green #20C073 ΔE 0.031
- Shamrock Green #02C14D ΔE 0.032
- Leafy Green #51B73B ΔE 0.034
- Cool Green #33B864 ΔE 0.034
- Turtle Green #75B84F ΔE 0.037
- Soft Green #6FC276 ΔE 0.047
Use #4BC15B 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.