#4FBC5B
Closest named color: Cool Green (#33B864). oklch(70.9% 0.169 145.6), rgb(79, 188, 91).
Aa
Black text reads best on this color (8.67:1).
About this color
#4FBC5B is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.169 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.024 away. Black text reads best on it, at 8.67:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.67:1 |
| White text | 2.42:1 |
Values
| HEX | #4FBC5B |
| RGB | rgb(79, 188, 91) |
| HSL | hsl(127, 45%, 52%) |
| OKLCH | oklch(70.9% 0.169 145.6) |
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 #4FBC5B | 2.42:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #4FBC5B | 8.67:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #4FBC5B text on white | 2.42:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #4FBC5B text on black | 8.67:1 | AAA | Lc -54.7 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEF0DE
oklch(93.7% 0.031 145.3)
-
Step 200
200
#C2E4C2
oklch(88.5% 0.058 145.1)
-
Step 300
300
#94D397
oklch(80.9% 0.105 145.7)
-
Step 400
400 (this color)
#4FBC5B
oklch(70.9% 0.169 145.6)
-
Step 500
500
#00A631
oklch(63.1% 0.195 145.5)
-
Step 600
600
#008C28
oklch(55.7% 0.172 145.6)
-
Step 700
700
#007620
oklch(49.2% 0.152 145.5)
-
Step 800
800
#006119
oklch(42.8% 0.133 145.6)
-
Step 900
900
#005113
oklch(37.8% 0.117 145.5)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#4FBC5B 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) | #BFAC53 | 0.130 |
| Deuteranopia (no green cones) | #B1A362 | 0.128 |
| Tritanopia (no blue cones) | #39B8A6 | 0.102 |
| Achromatopsia (no color) | #A6A6A6 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FBC5B
#4FBC5B
oklch(70.9% 0.169 145.6)
- #D578DA
#D578DA
oklch(70.9% 0.169 325.3)
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 #4FBC5B, closest first.
No curated palette has a color within ΔE 0.04 of #4FBC5B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.024
- Dark Mint #48C072 ΔE 0.025
- Algae Green #21C36F ΔE 0.027
- Dark Mint Green #20C073 ΔE 0.029
- Leafy Green #51B73B ΔE 0.029
- Turtle Green #75B84F ΔE 0.032
- Boring Green #63B365 ΔE 0.035
- Shamrock Green #02C14D ΔE 0.037
Use #4FBC5B 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.