#51E196#51E196

#51E196 is a light, vivid green. Relative luminance 0.578; OKLCH L 81.4% C 0.164 H 156.7°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#51E196
RGB	rgb(81, 225, 150)
HSL	hsl(149, 71%, 60%)
HSV	hsv(149, 64%, 88%)
CMYK	cmyk(64%, 0%, 33.3%, 11.8%)
CIE-LAB	lab(80.63, -55.33, 25.64)
CIE-LCH	lch(80.63, 60.99, 155.14°)
OKLab	oklab(81.39% -0.1502 0.0647)
OKLCH	oklch(81.39% 0.164 156.7)
XYZ	xyz(35.8203, 57.7980, 38.1166)
Luminance	0.5780 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E196 #E1519C

analogous

#54E151 #51E196 #51E1DE

triadic

#51E196 #9651E1 #E19651

tetradic

#51E196 #5154E1 #E1519C #E1DE51

square

#51E196 #5154E1 #E1519C #E1DE51

split-complementary

#51E196 #DE51E1 #E15154

monochromatic

#1B9D59 #24D177 #51E196 #85EAB6 #B9F3D5

Accessibility & contrast

On white

1.67

#51E196 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#51E196 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E196

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E196	#FFFFFF	#000000	##000000
##51E196	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0D091

Deuteranopia (green-blind)

#CDC39B

Tritanopia (blue-blind)

#00DFCD

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e196;
/* rgb */ color: rgb(81, 225, 150);
/* oklch */ color: oklch(81.4% 0.164 156.7);

Tailwind

colors: {
  custom: {
    50: '#90ebb5',
    500: '#51e196',
    950: '#000000',
  },
}

SCSS

$custom: #51e196;
$custom-light: #90ebb5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e196",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 150
  },
  "hsl": {
    "h": 148.75,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.81386,
    "c": 0.16357,
    "h": 156.7
  },
  "luminance": 0.57802
}

Semantic roles & 50–950 ramp

primary

#51E196

secondary

#A0366D

accent

#3A98ED

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1611

muted

#7F8581

Preview Lab

Preview with #51E196

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

Preview Lab → · Contrast checker → · Palette generator →