#51DEE5#51DEE5

#51DEE5 is a very light, moderate teal. Relative luminance 0.596; OKLCH L 82.8% C 0.119 H 199.8°. Best body text is #000000 at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#51DEE5
RGB	rgb(81, 222, 229)
HSL	hsl(183, 74%, 61%)
HSV	hsv(183, 65%, 90%)
CMYK	cmyk(64.6%, 3.1%, 0%, 10.2%)
CIE-LAB	lab(81.64, -35.12, -14.59)
CIE-LCH	lch(81.64, 38.02, 202.56°)
OKLab	oklab(82.85% -0.1121 -0.0404)
OKLCH	oklch(82.85% 0.119 199.8)
XYZ	xyz(43.6513, 59.6442, 83.3255)
Luminance	0.5965 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DEE5 #E55851

analogous

#51E5A2 #51DEE5 #5194E5

triadic

#51DEE5 #E551DE #DEE551

tetradic

#51DEE5 #A251E5 #E55851 #94E551

square

#51DEE5 #A251E5 #E55851 #94E551

split-complementary

#51DEE5 #E55194 #E5A251

monochromatic

#189DA3 #20D0D8 #51DEE5 #86E8ED #BBF2F5

Accessibility & contrast

On white

1.62

#51DEE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.93

#51DEE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DEE5

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DEE5	#FFFFFF	#000000	##000000
##51DEE5	1.00	1.62	12.93	12.93
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.93	21.00	1.00	1.00
##000000	12.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD4E6

Deuteranopia (green-blind)

#B8C4E6

Tritanopia (blue-blind)

#00E6E0

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51dee5;
/* rgb */ color: rgb(81, 222, 229);
/* oklch */ color: oklch(82.8% 0.119 199.8);

Tailwind

colors: {
  custom: {
    50: '#93e8ed',
    500: '#51dee5',
    950: '#000000',
  },
}

SCSS

$custom: #51dee5;
$custom-light: #93e8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#51dee5",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 229
  },
  "hsl": {
    "h": 182.838,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82846,
    "c": 0.11921,
    "h": 199.8
  },
  "luminance": 0.59649
}

Semantic roles & 50–950 ramp

primary

#51DEE5

secondary

#A63A35

accent

#190FD6

background

#FCFEFE

surface

#F5FDFD

border

#CFD5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #51DEE5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →