#51E689#51E689

#51E689 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.4% C 0.182 H 152.3°. Best body text is #000000 at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#51E689
RGB	rgb(81, 230, 137)
HSL	hsl(143, 75%, 61%)
HSV	hsv(143, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 40.4%, 9.8%)
CIE-LAB	lab(81.92, -59.62, 33.99)
CIE-LCH	lch(81.92, 68.62, 150.31°)
OKLab	oklab(82.38% -0.161 0.0844)
OKLCH	oklch(82.38% 0.182 152.3)
XYZ	xyz(36.2025, 60.1453, 33.3634)
Luminance	0.6015 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E689 #E651AE

analogous

#63E651 #51E689 #51E6D3

triadic

#51E689 #8951E6 #E68951

tetradic

#51E689 #5163E6 #E651AE #E6D351

square

#51E689 #5163E6 #E651AE #E6D351

split-complementary

#51E689 #D351E6 #E65163

monochromatic

#18A54D #1FDA66 #51E689 #87EEAD #BCF5D2

Accessibility & contrast

On white

1.61

#51E689 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.03

#51E689 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E689

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E689	#FFFFFF	#000000	##000000
##51E689	1.00	1.61	13.03	13.03
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.03	21.00	1.00	1.00
##000000	13.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D482

Deuteranopia (green-blind)

#D3C68F

Tritanopia (blue-blind)

#00E3CF

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e689;
/* rgb */ color: rgb(81, 230, 137);
/* oklch */ color: oklch(82.4% 0.182 152.3);

Tailwind

colors: {
  custom: {
    50: '#91efac',
    500: '#51e689',
    950: '#000000',
  },
}

SCSS

$custom: #51e689;
$custom-light: #91efac;
$custom-dark: #000000;

JSON

{
  "hex": "#51e689",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 137
  },
  "hsl": {
    "h": 142.55,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82375,
    "c": 0.18174,
    "h": 152.3
  },
  "luminance": 0.60149
}

Semantic roles & 50–950 ramp

primary

#51E689

secondary

#A7347C

accent

#0E8CD7

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1710

muted

#7F8581

Preview Lab

Preview with #51E689

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

Preview Lab → · Contrast checker → · Palette generator →