#51C8D5#51C8D5
#51C8D5 is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.1% C 0.107 H 205.2°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).
Color values
| HEX | #51C8D5 |
|---|---|
| RGB | rgb(81, 200, 213) |
| HSL | hsl(186, 61%, 58%) |
| HSV | hsv(186, 62%, 84%) |
| CMYK | cmyk(62%, 6.1%, 0%, 16.5%) |
| CIE-LAB | lab(74.74, -29.16, -16.40) |
| CIE-LCH | lch(74.74, 33.46, 209.35°) |
| OKLab | oklab(77.1% -0.0964 -0.0454) |
| OKLCH | oklch(77.1% 0.107 205.2) |
| XYZ | xyz(36.0528, 47.8582, 70.2754) |
| Luminance | 0.4786 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Aqua Blue
#02D8E9
ΔE00 4.58
Darkturquoise
#00CED1
ΔE00 5.45
Turquoise Blue
#06B1C4
ΔE00 6.93
Mediumturquoise
#48D1CC
ΔE00 7.10
Neon Blue
#04D9FF
ΔE00 7.88
Robin'S Egg
#6DEDFD
ΔE00 8.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51C8D5 #D55E51
analogous
#51D5A0 #51C8D5 #5186D5
triadic
#51C8D5 #D551C8 #C8D551
tetradic
#51C8D5 #A051D5 #D55E51 #86D551
square
#51C8D5 #A051D5 #D55E51 #86D551
split-complementary
#51C8D5 #D55186 #D5A051
monochromatic
#21808A #2DAEBC #51C8D5 #82D8E1 #B4E7ED
Accessibility & contrast
On white
1.99
#51C8D5 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.57
#51C8D5 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51C8D5
10.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51C8D5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51C8D5 | 1.00 | 1.99 | 10.57 | 10.57 |
| #FFFFFF | 1.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.57 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.57 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B9C0D6
Deuteranopia (green-blind)
#A5B2D5
Tritanopia (blue-blind)
#00D0CC
Achromatopsia (no color)
#B8B8B8
Design tokens & code
CSS
--color: #51c8d5; /* rgb */ color: rgb(81, 200, 213); /* oklch */ color: oklch(77.1% 0.107 205.2);
Tailwind
colors: {
custom: {
50: '#90d9e1',
500: '#51c8d5',
950: '#000000',
},
}SCSS
$custom: #51c8d5; $custom-light: #90d9e1; $custom-dark: #000000;
JSON
{
"hex": "#51c8d5",
"rgb": {
"r": 81,
"g": 200,
"b": 213
},
"hsl": {
"h": 185.909,
"s": 61.111,
"l": 57.647
},
"oklch": {
"l": 0.77101,
"c": 0.10658,
"h": 205.2
},
"luminance": 0.47862
}Semantic roles & 50–950 ramp
primary
#51C8D5
secondary
#DBACA6
accent
#5344E4
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0E1415
muted
#7E8383