#31CA5B#31CA5B
#31CA5B is a light, vivid green. Relative luminance 0.436; OKLCH L 73.8% C 0.197 H 147.8°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).
Color values
| HEX | #31CA5B |
|---|---|
| RGB | rgb(49, 202, 91) |
| HSL | hsl(136, 61%, 49%) |
| HSV | hsv(136, 76%, 79%) |
| CMYK | cmyk(75.7%, 0%, 55%, 20.8%) |
| CIE-LAB | lab(71.99, -62.05, 43.93) |
| CIE-LCH | lch(71.99, 76.02, 144.70°) |
| OKLab | oklab(73.79% -0.1669 0.1051) |
| OKLCH | oklch(73.79% 0.197 147.8) |
| XYZ | xyz(24.2736, 43.6465, 17.0408) |
| Luminance | 0.4365 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Shamrock Green
#02C14D
ΔE00 2.79
Algae Green
#21C36F
ΔE00 4.57
Emerald
#50C878
ΔE00 4.70
Tealish Green
#0CDC73
ΔE00 4.90
Lime Green
#32CD32
ΔE00 4.96
Seaweed
#18D17B
ΔE00 4.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31CA5B #CA31A0
analogous
#53CA31 #31CA5B #31CAA8
triadic
#31CA5B #5B31CA #CA5B31
tetradic
#31CA5B #3153CA #CA31A0 #CAA831
square
#31CA5B #3153CA #CA31A0 #CAA831
split-complementary
#31CA5B #A831CA #CA3153
monochromatic
#19672F #259945 #31CA5B #60D881 #91E4A8
Accessibility & contrast
On white
2.16
#31CA5B on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.73
#31CA5B on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #31CA5B
9.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31CA5B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##31CA5B | 1.00 | 2.16 | 9.73 | 9.73 |
| #FFFFFF | 2.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.73 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.73 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#CCB851
Deuteranopia (green-blind)
#BBAC64
Tritanopia (blue-blind)
#00C6B1
Achromatopsia (no color)
#B0B0B0
Design tokens & code
CSS
--color: #31ca5b; /* rgb */ color: rgb(49, 202, 91); /* oklch */ color: oklch(73.8% 0.197 147.8);
Tailwind
colors: {
custom: {
50: '#81db8c',
500: '#31ca5b',
950: '#000000',
},
}SCSS
$custom: #31ca5b; $custom-light: #81db8c; $custom-dark: #000000;
JSON
{
"hex": "#31ca5b",
"rgb": {
"r": 49,
"g": 202,
"b": 91
},
"hsl": {
"h": 136.471,
"s": 60.956,
"l": 49.216
},
"oklch": {
"l": 0.73785,
"c": 0.19718,
"h": 147.8
},
"luminance": 0.43649
}Semantic roles & 50–950 ramp
primary
#31CA5B
secondary
#CF88BB
accent
#44B8E4
background
#F8FDF8
surface
#F0FBF0
border
#CBD4CB
text
#0C150C
muted
#7D837D