#51D589#51D589

#51D589 is a light, vivid green. Relative luminance 0.511; OKLCH L 78.1% C 0.159 H 154.7°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#51D589
RGB	rgb(81, 213, 137)
HSL	hsl(145, 61%, 58%)
HSV	hsv(145, 62%, 84%)
CMYK	cmyk(62%, 0%, 35.7%, 16.5%)
CIE-LAB	lab(76.76, -53.10, 27.16)
CIE-LCH	lch(76.76, 59.64, 152.91°)
OKLab	oklab(78.14% -0.1439 0.0681)
OKLCH	oklch(78.14% 0.159 154.7)
XYZ	xyz(31.7003, 51.1408, 31.8626)
Luminance	0.5114 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D589 #D5519D

analogous

#5BD551 #51D589 #51D5CB

triadic

#51D589 #8951D5 #D58951

tetradic

#51D589 #515BD5 #D5519D #D5CB51

square

#51D589 #515BD5 #D5519D #D5CB51

split-complementary

#51D589 #CB51D5 #D5515B

monochromatic

#218A4E #2DBC6A #51D589 #82E1AA #B4EDCC

Accessibility & contrast

On white

1.87

#51D589 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#51D589 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D589

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D589	#FFFFFF	#000000	##000000
##51D589	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C584

Deuteranopia (green-blind)

#C3B98E

Tritanopia (blue-blind)

#15D3C2

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d589;
/* rgb */ color: rgb(81, 213, 137);
/* oklch */ color: oklch(78.1% 0.159 154.7);

Tailwind

colors: {
  custom: {
    50: '#8fe3ac',
    500: '#51d589',
    950: '#000000',
  },
}

SCSS

$custom: #51d589;
$custom-light: #8fe3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#51d589",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 137
  },
  "hsl": {
    "h": 145.455,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78139,
    "c": 0.15925,
    "h": 154.7
  },
  "luminance": 0.51144
}

Semantic roles & 50–950 ramp

primary

#51D589

secondary

#903A6C

accent

#44A0E4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0D1510

muted

#7F8481

Preview Lab

Preview with #51D589

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

Preview Lab → · Contrast checker → · Palette generator →