#31B873#31B873
#31B873 is a light, vivid green. Relative luminance 0.362; OKLCH L 69.5% C 0.153 H 155.8°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).
Color values
| HEX | #31B873 |
|---|---|
| RGB | rgb(49, 184, 115) |
| HSL | hsl(149, 58%, 46%) |
| HSV | hsv(149, 73%, 72%) |
| CMYK | cmyk(73.4%, 0%, 37.5%, 27.8%) |
| CIE-LAB | lab(66.65, -51.60, 25.02) |
| CIE-LCH | lch(66.65, 57.34, 154.13°) |
| OKLab | oklab(69.48% -0.1394 0.0627) |
| OKLCH | oklch(69.48% 0.153 155.8) |
| XYZ | xyz(21.4996, 36.1693, 22.0646) |
| Luminance | 0.3617 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Mediumseagreen
#3CB371
ΔE00 1.52
Green Teal
#0CB577
ΔE00 2.28
Dark Mint Green
#20C073
ΔE00 2.40
Dark Seafoam
#1FB57A
ΔE00 2.50
Jade Green
#2BAF6A
ΔE00 2.61
Cool Green
#33B864
ΔE00 2.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31B873 #B83176
analogous
#33B831 #31B873 #31B8B6
triadic
#31B873 #7331B8 #B87331
tetradic
#31B873 #3133B8 #B83176 #B8B631
square
#31B873 #3133B8 #B83176 #B8B631
split-complementary
#31B873 #B631B8 #B83133
monochromatic
#175737 #248855 #31B873 #55D292 #85DEB1
Accessibility & contrast
On white
2.55
#31B873 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.23
#31B873 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #31B873
8.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31B873 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##31B873 | 1.00 | 2.55 | 8.23 | 8.23 |
| #FFFFFF | 2.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B7A96E
Deuteranopia (green-blind)
#A79D78
Tritanopia (blue-blind)
#00B6A6
Achromatopsia (no color)
#A2A2A2
Design tokens & code
CSS
--color: #31b873; /* rgb */ color: rgb(49, 184, 115); /* oklch */ color: oklch(69.5% 0.153 155.8);
Tailwind
colors: {
custom: {
50: '#7cce9c',
500: '#31b873',
950: '#000000',
},
}SCSS
$custom: #31b873; $custom-light: #7cce9c; $custom-dark: #000000;
JSON
{
"hex": "#31b873",
"rgb": {
"r": 49,
"g": 184,
"b": 115
},
"hsl": {
"h": 149.333,
"s": 57.94,
"l": 45.686
},
"oklch": {
"l": 0.69482,
"c": 0.15284,
"h": 155.8
},
"luminance": 0.36172
}Semantic roles & 50–950 ramp
primary
#31B873
secondary
#C87DA3
accent
#4796E1
background
#F8FCF9
surface
#EFF9F2
border
#CAD2CC
text
#0B140E
muted
#7C827E