#4BBF5B
Closest named color: Algae Green (#21C36F). oklch(71.6% 0.174 146), rgb(75, 191, 91).
Aa
Black text reads best on this color (8.90:1).
About this color
#4BBF5B is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.174 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 8.90:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #4BBF5B |
| RGB | rgb(75, 191, 91) |
| HSL | hsl(128, 48%, 52%) |
| OKLCH | oklch(71.6% 0.174 146) |
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 #4BBF5B | 2.35:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #4BBF5B | 8.90:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #4BBF5B text on white | 2.35:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #4BBF5B text on black | 8.90:1 | AAA | Lc -55.9 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DDF0DE
oklch(93.6% 0.031 146.8)
-
Step 200
200
#C0E4C2
oklch(88.4% 0.06 146.5)
-
Step 300
300
#92D496
oklch(81% 0.109 145.9)
-
Step 400
400 (this color)
#4BBF5B
oklch(71.6% 0.174 146)
-
Step 500
500
#00A634
oklch(63.1% 0.193 145.9)
-
Step 600
600
#008C2B
oklch(55.7% 0.17 146)
-
Step 700
700
#007623
oklch(49.2% 0.15 146)
-
Step 800
800
#00601B
oklch(42.6% 0.13 146.1)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#4BBF5B 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) | #C2AF52 | 0.135 |
| Deuteranopia (no green cones) | #B3A562 | 0.133 |
| Tritanopia (no blue cones) | #30BBA8 | 0.104 |
| Achromatopsia (no color) | #A9A9A9 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BBF5B
#4BBF5B
oklch(71.6% 0.174 146)
- #DA78DD
#DA78DD
oklch(71.7% 0.175 326.1)
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 #4BBF5B, closest first.
No curated palette has a color within ΔE 0.04 of #4BBF5B.
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 0.026
- Dark Mint Green #20C073 ΔE 0.029
- Cool Green #33B864 ΔE 0.029
- Leafy Green #51B73B ΔE 0.031
- Shamrock Green #02C14D ΔE 0.032
- Turtle Green #75B84F ΔE 0.035
- Boring Green #63B365 ΔE 0.043
Use #4BBF5B 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.