#40C9B8#40C9B8
#40C9B8 is a light, moderate teal. Relative luminance 0.463; OKLCH L 75.9% C 0.118 H 183.2°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).
Color values
| HEX | #40C9B8 |
|---|---|
| RGB | rgb(64, 201, 184) |
| HSL | hsl(173, 56%, 52%) |
| HSV | hsv(173, 68%, 79%) |
| CMYK | cmyk(68.2%, 0%, 8.5%, 21.2%) |
| CIE-LAB | lab(73.75, -40.31, -2.19) |
| CIE-LCH | lch(73.75, 40.37, 183.12°) |
| OKLab | oklab(75.9% -0.1182 -0.0066) |
| OKLCH | oklch(75.9% 0.118 183.2) |
| XYZ | xyz(31.6486, 46.3204, 52.6109) |
| Luminance | 0.4632 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise (survey)
#06C2AC
ΔE00 3.17
Tealish
#24BCA8
ΔE00 3.90
Topaz
#13BBAF
ΔE00 4.31
Mediumturquoise
#48D1CC
ΔE00 4.81
Turquoise
#40E0D0
ΔE00 5.59
Seafoam Blue
#78D1B6
ΔE00 6.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40C9B8 #C94051
analogous
#40C974 #40C9B8 #4095C9
triadic
#40C9B8 #B840C9 #C9B840
tetradic
#40C9B8 #7440C9 #C94051 #95C940
square
#40C9B8 #7440C9 #C94051 #95C940
split-complementary
#40C9B8 #C94095 #C97440
monochromatic
#1F6F65 #2D9F91 #40C9B8 #70D6CA #9FE4DB
Accessibility & contrast
On white
2.05
#40C9B8 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.26
#40C9B8 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #40C9B8
10.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40C9B8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##40C9B8 | 1.00 | 2.05 | 10.26 | 10.26 |
| #FFFFFF | 2.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#C0BEB7
Deuteranopia (green-blind)
#ACAFBA
Tritanopia (blue-blind)
#00CDC4
Achromatopsia (no color)
#B5B5B5
Design tokens & code
CSS
--color: #40c9b8; /* rgb */ color: rgb(64, 201, 184); /* oklch */ color: oklch(75.9% 0.118 183.2);
Tailwind
colors: {
custom: {
50: '#87dacd',
500: '#40c9b8',
950: '#000000',
},
}SCSS
$custom: #40c9b8; $custom-light: #87dacd; $custom-dark: #000000;
JSON
{
"hex": "#40c9b8",
"rgb": {
"r": 64,
"g": 201,
"b": 184
},
"hsl": {
"h": 172.555,
"s": 55.918,
"l": 51.961
},
"oklch": {
"l": 0.75901,
"c": 0.11835,
"h": 183.2
},
"luminance": 0.46324
}Semantic roles & 50–950 ramp
primary
#40C9B8
secondary
#D0949C
accent
#495BDF
background
#F9FDFC
surface
#F1FBF8
border
#CBD4D1
text
#0D1513
muted
#7E8382