#51D4E0#51D4E0

#51D4E0 is a light, moderate teal. Relative luminance 0.542; OKLCH L 80.3% C 0.114 H 203.7°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#51D4E0
RGB	rgb(81, 212, 224)
HSL	hsl(185, 70%, 60%)
HSV	hsv(185, 64%, 88%)
CMYK	cmyk(63.8%, 5.4%, 0%, 12.2%)
CIE-LAB	lab(78.59, -31.80, -16.52)
CIE-LCH	lch(78.59, 35.84, 207.44°)
OKLab	oklab(80.32% -0.1042 -0.0458)
OKLCH	oklch(80.32% 0.114 203.7)
XYZ	xyz(40.3856, 54.2137, 78.8425)
Luminance	0.5422 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4E0 #E05D51

analogous

#51E0A5 #51D4E0 #518DE0

triadic

#51D4E0 #E051D4 #D4E051

tetradic

#51D4E0 #A551E0 #E05D51 #8DE051

square

#51D4E0 #A551E0 #E05D51 #8DE051

split-complementary

#51D4E0 #E0518D #E0A551

monochromatic

#1C909B #25C1CF #51D4E0 #85E1E9 #B9EEF3

Accessibility & contrast

On white

1.77

#51D4E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.84

#51D4E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4E0

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4E0	#FFFFFF	#000000	##000000
##51D4E0	1.00	1.77	11.84	11.84
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.84	21.00	1.00	1.00
##000000	11.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CCE1

Deuteranopia (green-blind)

#AFBCE1

Tritanopia (blue-blind)

#00DCD7

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d4e0;
/* rgb */ color: rgb(81, 212, 224);
/* oklch */ color: oklch(80.3% 0.114 203.7);

Tailwind

colors: {
  custom: {
    50: '#92e1e9',
    500: '#51d4e0',
    950: '#000000',
  },
}

SCSS

$custom: #51d4e0;
$custom-light: #92e1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4e0",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 224
  },
  "hsl": {
    "h": 185.035,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.80323,
    "c": 0.11379,
    "h": 203.7
  },
  "luminance": 0.54218
}

Semantic roles & 50–950 ramp

primary

#51D4E0

secondary

#9F3F37

accent

#4A3BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D4E0

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

Preview Lab → · Contrast checker → · Palette generator →