#40BF59#40BF59
#40BF59 is a light, vivid green. Relative luminance 0.391; OKLCH L 71.2% C 0.180 H 146.9°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).
Color values
| HEX | #40BF59 |
|---|---|
| RGB | rgb(64, 191, 89) |
| HSL | hsl(132, 50%, 50%) |
| HSV | hsv(132, 66%, 75%) |
| CMYK | cmyk(66.5%, 0%, 53.4%, 25.1%) |
| CIE-LAB | lab(68.80, -56.01, 41.11) |
| CIE-LCH | lch(68.80, 69.48, 143.72°) |
| OKLab | oklab(71.23% -0.1511 0.0987) |
| OKLCH | oklch(71.23% 0.181 146.9) |
| XYZ | xyz(22.5467, 39.0705, 15.8024) |
| Luminance | 0.3907 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Shamrock Green
#02C14D
ΔE00 2.37
Cool Green
#33B864
ΔE00 3.52
Shamrock
#01B44C
ΔE00 3.89
Dark Mint
#48C072
ΔE00 4.03
Algae Green
#21C36F
ΔE00 4.13
Emerald
#50C878
ΔE00 4.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40BF59 #BF40A6
analogous
#67BF40 #40BF59 #40BF98
triadic
#40BF59 #5940BF #BF5940
tetradic
#40BF59 #4067BF #BF40A6 #BF9840
square
#40BF59 #4067BF #BF40A6 #BF9840
split-complementary
#40BF59 #9840BF #BF4067
monochromatic
#21632E #319144 #40BF59 #6ECE81 #9CDEA9
Accessibility & contrast
On white
2.38
#40BF59 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.81
#40BF59 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #40BF59
8.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40BF59 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##40BF59 | 1.00 | 2.38 | 8.81 | 8.81 |
| #FFFFFF | 2.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#C1AE50
Deuteranopia (green-blind)
#B2A461
Tritanopia (blue-blind)
#13BBA8
Achromatopsia (no color)
#A8A8A8
Design tokens & code
CSS
--color: #40bf59; /* rgb */ color: rgb(64, 191, 89); /* oklch */ color: oklch(71.2% 0.180 146.9);
Tailwind
colors: {
custom: {
50: '#84d38a',
500: '#40bf59',
950: '#000000',
},
}SCSS
$custom: #40bf59; $custom-light: #84d38a; $custom-dark: #000000;
JSON
{
"hex": "#40bf59",
"rgb": {
"r": 64,
"g": 191,
"b": 89
},
"hsl": {
"h": 131.811,
"s": 49.804,
"l": 50
},
"oklch": {
"l": 0.71226,
"c": 0.1805,
"h": 146.9
},
"luminance": 0.39073
}Semantic roles & 50–950 ramp
primary
#40BF59
secondary
#CA91BF
accent
#4EBED9
background
#F8FDF8
surface
#F0FAF0
border
#CBD3CB
text
#0C140C
muted
#7D837D