#4FB563
Closest named color: Cool Green (#33B864). oklch(69.3% 0.152 147.8), rgb(79, 181, 99).
Aa
Black text reads best on this color (8.12:1).
About this color
#4FB563 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.152 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.017 away. Black text reads best on it, at 8.12:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.12:1 |
| White text | 2.58:1 |
Values
| HEX | #4FB563 |
| RGB | rgb(79, 181, 99) |
| HSL | hsl(132, 41%, 51%) |
| OKLCH | oklch(69.3% 0.152 147.8) |
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 #4FB563 | 2.58:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #4FB563 | 8.12:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #4FB563 text on white | 2.58:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #4FB563 text on black | 8.12:1 | AAA | Lc -51.7 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DEEFE0
oklch(93.5% 0.027 148.8)
-
Step 200
200
#C3E3C6
oklch(88.5% 0.052 147.7)
-
Step 300
300
#97D29E
oklch(81% 0.095 147.7)
-
Step 400
400 (this color)
#4FB563
oklch(69.3% 0.152 147.8)
-
Step 500
500
#00A640
oklch(63.2% 0.184 147.7)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#00501B
oklch(37.6% 0.109 147.8)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#4FB563 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) | #B7A75D | 0.121 |
| Deuteranopia (no green cones) | #A99D68 | 0.120 |
| Tritanopia (no blue cones) | #39B1A1 | 0.088 |
| Achromatopsia (no color) | #A1A1A1 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FB563
#4FB563
oklch(69.3% 0.152 147.8)
- #CD77CC
#CD77CC
oklch(69.2% 0.152 327.5)
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 #4FB563, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.017
- Boring Green #63B365 ΔE 0.018
- Dark Pastel Green #56AE57 ΔE 0.020
- Medium Sea Green #3CB371 ΔE 0.022
- Algae #54AC68 ΔE 0.029
- Dark Mint #48C072 ΔE 0.031
- Jade Green #2BAF6A ΔE 0.031
- Dark Mint Green #20C073 ΔE 0.033
Use #4FB563 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.