#4BC181
Closest named color: Greenblue (#23C48B). oklch(72.8% 0.142 156.3), rgb(75, 193, 129).
Aa
Black text reads best on this color (9.24:1).
About this color
#4BC181 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.142 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.019 away. Black text reads best on it, at 9.24:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.24:1 |
| White text | 2.27:1 |
Values
| HEX | #4BC181 |
| RGB | rgb(75, 193, 129) |
| HSL | hsl(147, 49%, 53%) |
| OKLCH | oklch(72.8% 0.142 156.3) |
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 #4BC181 | 2.27:1 | Fails | Lc -49.3 | Large or bold text, headings |
| Black text on #4BC181 | 9.24:1 | AAA | Lc 59.5 | Large or bold text, headings |
| #4BC181 text on white | 2.27:1 | Fails | Lc 44.5 | Non-text elements, placeholder text |
| #4BC181 text on black | 9.24:1 | AAA | Lc -57.7 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DDEFE3
oklch(93.5% 0.025 156.7)
-
Step 200
200
#C0E3CC
oklch(88.4% 0.048 156.5)
-
Step 300
300
#91D2A9
oklch(80.9% 0.088 156.2)
-
Step 400
400 (this color)
#4BC181
oklch(72.8% 0.142 156.3)
-
Step 500
500
#00A461
oklch(63.2% 0.153 156.1)
-
Step 600
600
#008A51
oklch(55.7% 0.135 156.2)
-
Step 700
700
#007443
oklch(49.1% 0.119 156.1)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#4BC181 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) | #C0B37D | 0.128 |
| Deuteranopia (no green cones) | #B0A785 | 0.126 |
| Tritanopia (no blue cones) | #16BFB0 | 0.068 |
| Achromatopsia (no color) | #ACACAC | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BC181
#4BC181
oklch(72.8% 0.142 156.3)
- #DE82C8
#DE82C8
oklch(72.7% 0.142 336.4)
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 #4BC181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.019
- Dark Mint #48C072 ΔE 0.019
- Green Blue #01C08D ΔE 0.027
- Dark Mint Green #20C073 ΔE 0.030
- Soft Green #6FC276 ΔE 0.030
- Algae Green #21C36F ΔE 0.034
- Boring Green #63B365 ΔE 0.043
- Medium Sea Green #3CB371 ΔE 0.044
Use #4BC181 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.