#51DFF3#51DFF3

#51DFF3 is a very light, vivid teal. Relative luminance 0.610; OKLCH L 83.6% C 0.122 H 208.4°. Best body text is #000000 at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#51DFF3
RGB	rgb(81, 223, 243)
HSL	hsl(187, 87%, 64%)
HSV	hsv(187, 67%, 95%)
CMYK	cmyk(66.7%, 8.2%, 0%, 4.7%)
CIE-LAB	lab(82.37, -31.60, -20.91)
CIE-LCH	lch(82.37, 37.89, 213.50°)
OKLab	oklab(83.58% -0.1075 -0.0581)
OKLCH	oklch(83.58% 0.122 208.4)
XYZ	xyz(45.9518, 60.9906, 94.1272)
Luminance	0.6100 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DFF3 #F36551

analogous

#51F3B6 #51DFF3 #518EF3

triadic

#51DFF3 #F351DF #DFF351

tetradic

#51DFF3 #B651F3 #F36551 #8EF351

square

#51DFF3 #B651F3 #F36551 #8EF351

split-complementary

#51DFF3 #F3518E #F3B651

monochromatic

#0DA7BD #18D4EF #51DFF3 #8AEAF7 #C4F4FB

Accessibility & contrast

On white

1.59

#51DFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.20

#51DFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DFF3

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DFF3	#FFFFFF	#000000	##000000
##51DFF3	1.00	1.59	13.20	13.20
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.20	21.00	1.00	1.00
##000000	13.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD7F4

Deuteranopia (green-blind)

#B5C6F3

Tritanopia (blue-blind)

#00E9E5

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51dff3;
/* rgb */ color: rgb(81, 223, 243);
/* oklch */ color: oklch(83.6% 0.122 208.4);

Tailwind

colors: {
  custom: {
    50: '#95e9f7',
    500: '#51dff3',
    950: '#000000',
  },
}

SCSS

$custom: #51dff3;
$custom-light: #95e9f7;
$custom-dark: #000000;

JSON

{
  "hex": "#51dff3",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 243
  },
  "hsl": {
    "h": 187.407,
    "s": 87.097,
    "l": 63.529
  },
  "oklch": {
    "l": 0.83581,
    "c": 0.12216,
    "h": 208.4
  },
  "luminance": 0.60996
}

Semantic roles & 50–950 ramp

primary

#51DFF3

secondary

#BB3F2D

accent

#1E02E4

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DFF3

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

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