#51EFA5#51EFA5

#51EFA5 is a very light, vivid teal. Relative luminance 0.662; OKLCH L 85.1% C 0.169 H 158.9°. Best body text is #000000 at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#51EFA5
RGB	rgb(81, 239, 165)
HSL	hsl(152, 83%, 63%)
HSV	hsv(152, 66%, 94%)
CMYK	cmyk(66.1%, 0%, 31%, 6.3%)
CIE-LAB	lab(85.10, -57.82, 24.01)
CIE-LCH	lch(85.10, 62.61, 157.45°)
OKLab	oklab(85.15% -0.1574 0.0608)
OKLCH	oklch(85.15% 0.169 158.9)
XYZ	xyz(41.0474, 66.1945, 46.2036)
Luminance	0.6620 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EFA5 #EF519B

analogous

#51EF56 #51EFA5 #51EAEF

triadic

#51EFA5 #A551EF #EFA551

tetradic

#51EFA5 #5651EF #EF519B #EAEF51

square

#51EFA5 #5651EF #EF519B #EAEF51

split-complementary

#51EFA5 #EF51EA #EF5651

monochromatic

#11B568 #19EA88 #51EFA5 #89F4C2 #C1F9DF

Accessibility & contrast

On white

1.47

#51EFA5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.24

#51EFA5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EFA5

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EFA5	#FFFFFF	#000000	##000000
##51EFA5	1.00	1.47	14.24	14.24
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.24	21.00	1.00	1.00
##000000	14.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDDA1

Deuteranopia (green-blind)

#D8CFAA

Tritanopia (blue-blind)

#00EEDB

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #51efa5;
/* rgb */ color: rgb(81, 239, 165);
/* oklch */ color: oklch(85.1% 0.169 158.9);

Tailwind

colors: {
  custom: {
    50: '#93f5c0',
    500: '#51efa5',
    950: '#000000',
  },
}

SCSS

$custom: #51efa5;
$custom-light: #93f5c0;
$custom-dark: #000000;

JSON

{
  "hex": "#51efa5",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 165
  },
  "hsl": {
    "h": 151.899,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.85146,
    "c": 0.16874,
    "h": 158.9
  },
  "luminance": 0.66199
}

Semantic roles & 50–950 ramp

primary

#51EFA5

secondary

#B5306E

accent

#066CE0

background

#FCFFFD

surface

#F5FFF9

border

#CFD7D2

text

#0E1712

muted

#7F8582

Preview Lab

Preview with #51EFA5

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

Preview Lab → · Contrast checker → · Palette generator →