#37B581#37B581
#37B581 is a light, vivid teal. Relative luminance 0.354; OKLCH L 69.1% C 0.134 H 161.5°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).
Color values
| HEX | #37B581 |
|---|---|
| RGB | rgb(55, 181, 129) |
| HSL | hsl(155, 53%, 46%) |
| HSV | hsv(155, 70%, 71%) |
| CMYK | cmyk(69.6%, 0%, 28.7%, 29%) |
| CIE-LAB | lab(66.09, -46.57, 16.76) |
| CIE-LCH | lch(66.09, 49.49, 160.21°) |
| OKLab | oklab(69.15% -0.1273 0.0426) |
| OKLCH | oklch(69.15% 0.134 161.5) |
| XYZ | xyz(22.0596, 35.4425, 26.4431) |
| Luminance | 0.3544 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Bluey Green
#2BB179
ΔE00 1.68
Dark Seafoam
#1FB57A
ΔE00 1.76
Dark Seafoam Green
#3EAF76
ΔE00 2.43
Green Teal
#0CB577
ΔE00 2.47
Greenish Teal
#32BF84
ΔE00 2.89
Mediumseagreen
#3CB371
ΔE00 3.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37B581 #B5376B
analogous
#37B542 #37B581 #37AAB5
triadic
#37B581 #8137B5 #B58137
tetradic
#37B581 #4237B5 #B5376B #AAB537
square
#37B581 #4237B5 #B5376B #AAB537
split-complementary
#37B581 #B537AA #B54237
monochromatic
#1A573E #298660 #37B581 #5CCD9F #8BDCBA
Accessibility & contrast
On white
2.60
#37B581 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.09
#37B581 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37B581
8.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37B581 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37B581 | 1.00 | 2.60 | 8.09 | 8.09 |
| #FFFFFF | 2.60 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.09 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.09 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B2A87E
Deuteranopia (green-blind)
#A29C84
Tritanopia (blue-blind)
#00B5A7
Achromatopsia (no color)
#A1A1A1
Design tokens & code
CSS
--color: #37b581; /* rgb */ color: rgb(55, 181, 129); /* oklch */ color: oklch(69.1% 0.134 161.5);
Tailwind
colors: {
custom: {
50: '#7ecca5',
500: '#37b581',
950: '#000000',
},
}SCSS
$custom: #37b581; $custom-light: #7ecca5; $custom-dark: #000000;
JSON
{
"hex": "#37b581",
"rgb": {
"r": 55,
"g": 181,
"b": 129
},
"hsl": {
"h": 155.238,
"s": 53.39,
"l": 46.275
},
"oklch": {
"l": 0.69146,
"c": 0.13427,
"h": 161.5
},
"luminance": 0.35445
}Semantic roles & 50–950 ramp
primary
#37B581
secondary
#C6829E
accent
#4B87DD
background
#F8FCFA
surface
#EFF9F4
border
#CAD2CE
text
#0B130F
muted
#7C827F