#51D587#51D587

#51D587 is a light, vivid green. Relative luminance 0.511; OKLCH L 78.1% C 0.161 H 154.1°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#51D587
RGB	rgb(81, 213, 135)
HSL	hsl(145, 61%, 58%)
HSV	hsv(145, 62%, 84%)
CMYK	cmyk(62%, 0%, 36.6%, 16.5%)
CIE-LAB	lab(76.73, -53.47, 28.15)
CIE-LCH	lch(76.73, 60.43, 152.24°)
OKLab	oklab(78.1% -0.1448 0.0705)
OKLCH	oklch(78.1% 0.161 154.1)
XYZ	xyz(31.5581, 51.0839, 31.1140)
Luminance	0.5109 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D587 #D5519F

analogous

#5DD551 #51D587 #51D5C9

triadic

#51D587 #8751D5 #D58751

tetradic

#51D587 #515DD5 #D5519F #D5C951

square

#51D587 #515DD5 #D5519F #D5C951

split-complementary

#51D587 #C951D5 #D5515D

monochromatic

#218A4C #2DBC67 #51D587 #82E1A9 #B4EDCB

Accessibility & contrast

On white

1.87

#51D587 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#51D587 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D587

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D587	#FFFFFF	#000000	##000000
##51D587	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C582

Deuteranopia (green-blind)

#C3B88C

Tritanopia (blue-blind)

#18D3C1

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d587;
/* rgb */ color: rgb(81, 213, 135);
/* oklch */ color: oklch(78.1% 0.161 154.1);

Tailwind

colors: {
  custom: {
    50: '#8fe3aa',
    500: '#51d587',
    950: '#000000',
  },
}

SCSS

$custom: #51d587;
$custom-light: #8fe3aa;
$custom-dark: #000000;

JSON

{
  "hex": "#51d587",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 135
  },
  "hsl": {
    "h": 144.545,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78099,
    "c": 0.16106,
    "h": 154.1
  },
  "luminance": 0.51087
}

Semantic roles & 50–950 ramp

primary

#51D587

secondary

#903A6D

accent

#44A3E4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0D1510

muted

#7F8481

Preview Lab

Preview with #51D587

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

Preview Lab → · Contrast checker → · Palette generator →