#51E5E5#51E5E5

#51E5E5 is a very light, vivid teal. Relative luminance 0.634; OKLCH L 84.5% C 0.123 H 195.1°. Best body text is #000000 at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#51E5E5
RGB	rgb(81, 229, 229)
HSL	hsl(180, 74%, 61%)
HSV	hsv(180, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 0%, 10.2%)
CIE-LAB	lab(83.67, -38.35, -11.55)
CIE-LCH	lch(83.67, 40.05, 196.76°)
OKLab	oklab(84.49% -0.1191 -0.0321)
OKLCH	oklch(84.49% 0.123 195.1)
XYZ	xyz(45.5492, 63.4400, 83.9581)
Luminance	0.6344 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5E5 #E55151

analogous

#51E59B #51E5E5 #519BE5

triadic

#51E5E5 #E551E5 #E5E551

tetradic

#51E5E5 #9B51E5 #E55151 #9BE551

square

#51E5E5 #9B51E5 #E55151 #9BE551

split-complementary

#51E5E5 #E5519B #E59B51

monochromatic

#18A3A3 #20D8D8 #51E5E5 #86EDED #BBF5F5

Accessibility & contrast

On white

1.53

#51E5E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.69

#51E5E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5E5

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5E5	#FFFFFF	#000000	##000000
##51E5E5	1.00	1.53	13.69	13.69
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.69	21.00	1.00	1.00
##000000	13.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7DAE5

Deuteranopia (green-blind)

#C0C9E6

Tritanopia (blue-blind)

#00ECE5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51e5e5;
/* rgb */ color: rgb(81, 229, 229);
/* oklch */ color: oklch(84.5% 0.123 195.1);

Tailwind

colors: {
  custom: {
    50: '#94eded',
    500: '#51e5e5',
    950: '#000000',
  },
}

SCSS

$custom: #51e5e5;
$custom-light: #94eded;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5e5",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 229
  },
  "hsl": {
    "h": 180,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.84488,
    "c": 0.12332,
    "h": 195.1
  },
  "luminance": 0.63445
}

Semantic roles & 50–950 ramp

primary

#51E5E5

secondary

#A63535

accent

#0F0FD6

background

#FCFFFE

surface

#F5FEFD

border

#CFD6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #51E5E5

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

Preview Lab → · Contrast checker → · Palette generator →