#51E4B5#51E4B5

#51E4B5 is a very light, vivid teal. Relative luminance 0.606; OKLCH L 82.8% C 0.142 H 168.0°. Best body text is #000000 at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#51E4B5
RGB	rgb(81, 228, 181)
HSL	hsl(161, 73%, 61%)
HSV	hsv(161, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 20.6%, 10.6%)
CIE-LAB	lab(82.15, -50.00, 11.58)
CIE-LCH	lch(82.15, 51.32, 166.96°)
OKLab	oklab(82.84% -0.1392 0.0296)
OKLCH	oklch(82.84% 0.142 168)
XYZ	xyz(39.4730, 60.5681, 53.3176)
Luminance	0.6057 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4B5 #E45180

analogous

#51E46B #51E4B5 #51CAE4

triadic

#51E4B5 #B551E4 #E4B551

tetradic

#51E4B5 #6B51E4 #E45180 #CAE451

square

#51E4B5 #6B51E4 #E45180 #CAE451

split-complementary

#51E4B5 #E451CA #E46B51

monochromatic

#19A276 #21D79D #51E4B5 #86ECCC #BBF4E2

Accessibility & contrast

On white

1.60

#51E4B5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.11

#51E4B5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4B5

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4B5	#FFFFFF	#000000	##000000
##51E4B5	1.00	1.60	13.11	13.11
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.11	21.00	1.00	1.00
##000000	13.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFD5B3

Deuteranopia (green-blind)

#CAC6B8

Tritanopia (blue-blind)

#00E5D7

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e4b5;
/* rgb */ color: rgb(81, 228, 181);
/* oklch */ color: oklch(82.8% 0.142 168.0);

Tailwind

colors: {
  custom: {
    50: '#91edcb',
    500: '#51e4b5',
    950: '#000000',
  },
}

SCSS

$custom: #51e4b5;
$custom-light: #91edcb;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4b5",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 181
  },
  "hsl": {
    "h": 160.816,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.82836,
    "c": 0.14232,
    "h": 168
  },
  "luminance": 0.60572
}

Semantic roles & 50–950 ramp

primary

#51E4B5

secondary

#A43559

accent

#104FD5

background

#FCFFFD

surface

#F5FEF9

border

#CFD6D2

text

#0E1613

muted

#7F8582

Preview Lab

Preview with #51E4B5

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

Preview Lab → · Contrast checker → · Palette generator →