#51DC99#51DC99

#51DC99 is a light, vivid teal. Relative luminance 0.552; OKLCH L 80.2% C 0.154 H 158.7°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#51DC99
RGB	rgb(81, 220, 153)
HSL	hsl(151, 67%, 59%)
HSV	hsv(151, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 30.5%, 13.7%)
CIE-LAB	lab(79.17, -52.77, 22.11)
CIE-LCH	lch(79.17, 57.21, 157.27°)
OKLab	oklab(80.21% -0.1438 0.056)
OKLCH	oklch(80.21% 0.154 158.7)
XYZ	xyz(34.7331, 55.2320, 38.9612)
Luminance	0.5524 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC99 #DC5194

analogous

#51DC54 #51DC99 #51DADC

triadic

#51DC99 #9951DC #DC9951

tetradic

#51DC99 #5451DC #DC5194 #DADC51

square

#51DC99 #5451DC #DC5194 #DADC51

split-complementary

#51DC99 #DC51DA #DC5451

monochromatic

#1E955B #28C87B #51DC99 #84E6B7 #B7F0D5

Accessibility & contrast

On white

1.74

#51DC99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#51DC99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC99

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC99	#FFFFFF	#000000	##000000
##51DC99	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DACC95

Deuteranopia (green-blind)

#C7BF9D

Tritanopia (blue-blind)

#00DBCA

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51dc99;
/* rgb */ color: rgb(81, 220, 153);
/* oklch */ color: oklch(80.2% 0.154 158.7);

Tailwind

colors: {
  custom: {
    50: '#90e8b7',
    500: '#51dc99',
    950: '#000000',
  },
}

SCSS

$custom: #51dc99;
$custom-light: #90e8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc99",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 153
  },
  "hsl": {
    "h": 151.079,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.80213,
    "c": 0.15437,
    "h": 158.7
  },
  "luminance": 0.55236
}

Semantic roles & 50–950 ramp

primary

#51DC99

secondary

#993867

accent

#3E91E9

background

#FCFEFD

surface

#F5FDF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51DC99

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

Preview Lab → · Contrast checker → · Palette generator →