#51F9CF#51F9CF

#51F9CF is a very light, vivid teal. Relative luminance 0.740; OKLCH L 88.6% C 0.150 H 172.5°. Best body text is #000000 at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#51F9CF
RGB	rgb(81, 249, 207)
HSL	hsl(165, 93%, 65%)
HSV	hsv(165, 67%, 98%)
CMYK	cmyk(67.5%, 0%, 16.9%, 2.4%)
CIE-LAB	lab(88.92, -52.63, 7.68)
CIE-LCH	lch(88.92, 53.19, 171.70°)
OKLab	oklab(88.57% -0.1483 0.0195)
OKLCH	oklch(88.57% 0.15 172.5)
XYZ	xyz(48.5258, 74.0002, 70.7454)
Luminance	0.7401 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F9CF #F9517B

analogous

#51F97B #51F9CF #51CFF9

triadic

#51F9CF #CF51F9 #F9CF51

tetradic

#51F9CF #7B51F9 #F9517B #CFF951

square

#51F9CF #7B51F9 #F9517B #CFF951

split-complementary

#51F9CF #F951CF #F97B51

monochromatic

#07C998 #16F7BF #51F9CF #8CFBDF #C7FDF0

Accessibility & contrast

On white

1.33

#51F9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.80

#51F9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F9CF

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F9CF	#FFFFFF	#000000	##000000
##51F9CF	1.00	1.33	15.80	15.80
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.80	21.00	1.00	1.00
##000000	15.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1E9CD

Deuteranopia (green-blind)

#DAD8D2

Tritanopia (blue-blind)

#00FBED

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #51f9cf;
/* rgb */ color: rgb(81, 249, 207);
/* oklch */ color: oklch(88.6% 0.150 172.5);

Tailwind

colors: {
  custom: {
    50: '#95fcdd',
    500: '#51f9cf',
    950: '#000000',
  },
}

SCSS

$custom: #51f9cf;
$custom-light: #95fcdd;
$custom-dark: #000000;

JSON

{
  "hex": "#51f9cf",
  "rgb": {
    "r": 81,
    "g": 249,
    "b": 207
  },
  "hsl": {
    "h": 165,
    "s": 93.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.8857,
    "c": 0.1496,
    "h": 172.5
  },
  "luminance": 0.74006
}

Semantic roles & 50–950 ramp

primary

#51F9CF

secondary

#C52950

accent

#0039E6

background

#FCFFFE

surface

#F5FFFC

border

#CFD7D5

text

#0F1815

muted

#808684

Preview Lab

Preview with #51F9CF

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

Preview Lab → · Contrast checker → · Palette generator →