#51E5B5#51E5B5

#51E5B5 is a very light, vivid teal. Relative luminance 0.611; OKLCH L 83.1% C 0.144 H 167.6°. Best body text is #000000 at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#51E5B5
RGB	rgb(81, 229, 181)
HSL	hsl(161, 74%, 61%)
HSV	hsv(161, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 21%, 10.2%)
CIE-LAB	lab(82.44, -50.42, 12.00)
CIE-LCH	lch(82.44, 51.82, 166.61°)
OKLab	oklab(83.08% -0.1402 0.0307)
OKLCH	oklch(83.08% 0.144 167.6)
XYZ	xyz(39.7488, 61.1198, 53.4096)
Luminance	0.6112 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5B5 #E55181

analogous

#51E56B #51E5B5 #51CBE5

triadic

#51E5B5 #B551E5 #E5B551

tetradic

#51E5B5 #6B51E5 #E55181 #CBE551

square

#51E5B5 #6B51E5 #E55181 #CBE551

split-complementary

#51E5B5 #E551CB #E56B51

monochromatic

#18A376 #20D89D #51E5B5 #86EDCC #BBF5E2

Accessibility & contrast

On white

1.59

#51E5B5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.22

#51E5B5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5B5

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5B5	#FFFFFF	#000000	##000000
##51E5B5	1.00	1.59	13.22	13.22
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.22	21.00	1.00	1.00
##000000	13.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0D6B3

Deuteranopia (green-blind)

#CBC7B8

Tritanopia (blue-blind)

#00E6D7

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e5b5;
/* rgb */ color: rgb(81, 229, 181);
/* oklch */ color: oklch(83.1% 0.144 167.6);

Tailwind

colors: {
  custom: {
    50: '#92eecb',
    500: '#51e5b5',
    950: '#000000',
  },
}

SCSS

$custom: #51e5b5;
$custom-light: #92eecb;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5b5",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 181
  },
  "hsl": {
    "h": 160.541,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.83079,
    "c": 0.14352,
    "h": 167.6
  },
  "luminance": 0.61124
}

Semantic roles & 50–950 ramp

primary

#51E5B5

secondary

#A63559

accent

#0F50D6

background

#FCFFFD

surface

#F5FEF9

border

#CFD6D2

text

#0E1613

muted

#7F8582

Preview Lab

Preview with #51E5B5

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

Preview Lab → · Contrast checker → · Palette generator →