#4BB951
Closest named color: Leafy Green (#51B73B). oklch(69.9% 0.175 144.3), rgb(75, 185, 81).
Aa
Black text reads best on this color (8.35:1).
About this color
#4BB951 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.175 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.018 away. Black text reads best on it, at 8.35:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #4BB951 |
| RGB | rgb(75, 185, 81) |
| HSL | hsl(123, 44%, 51%) |
| OKLCH | oklch(69.9% 0.175 144.3) |
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 #4BB951 | 2.51:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #4BB951 | 8.35:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #4BB951 text on white | 2.51:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #4BB951 text on black | 8.35:1 | AAA | Lc -53.0 | 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
#DEF0DD
oklch(93.7% 0.032 143.9)
-
Step 200
200
#C1E4C0
oklch(88.4% 0.061 144.3)
-
Step 300
300
#94D394
oklch(80.8% 0.109 144.5)
-
Step 400
400 (this color)
#4BB951
oklch(69.9% 0.175 144.3)
-
Step 500
500
#00A625
oklch(63% 0.202 144.3)
-
Step 600
600
#008C1E
oklch(55.6% 0.178 144.3)
-
Step 700
700
#007618
oklch(49.1% 0.157 144.4)
-
Step 800
800
#006112
oklch(42.8% 0.137 144.4)
-
Step 900
900
#00510D
oklch(37.8% 0.121 144.3)
-
Step 950
950
#003005
oklch(26.9% 0.086 144.4)
#4BB951 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) | #BCA947 | 0.130 |
| Deuteranopia (no green cones) | #AEA059 | 0.129 |
| Tritanopia (no blue cones) | #36B4A2 | 0.109 |
| Achromatopsia (no color) | #A3A3A3 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BB951
#4BB951
oklch(69.9% 0.175 144.3)
- #D273DA
#D273DA
oklch(69.9% 0.175 324.3)
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 #4BB951, closest first.
No curated palette has a color within ΔE 0.04 of #4BB951.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.018
- Cool Green #33B864 ΔE 0.023
- Shamrock Green #02C14D ΔE 0.033
- Shamrock #01B44C ΔE 0.034
- Dark Pastel Green #56AE57 ΔE 0.035
- Algae Green #21C36F ΔE 0.036
- Turtle Green #75B84F ΔE 0.036
- Dark Mint #48C072 ΔE 0.037
Use #4BB951 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.