#51D588#51D588

#51D588 is a light, vivid green. Relative luminance 0.511; OKLCH L 78.1% C 0.160 H 154.4°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#51D588
RGB	rgb(81, 213, 136)
HSL	hsl(145, 61%, 58%)
HSV	hsv(145, 62%, 84%)
CMYK	cmyk(62%, 0%, 36.2%, 16.5%)
CIE-LAB	lab(76.75, -53.29, 27.65)
CIE-LCH	lch(76.75, 60.03, 152.57°)
OKLab	oklab(78.12% -0.1444 0.0693)
OKLCH	oklch(78.12% 0.16 154.4)
XYZ	xyz(31.6289, 51.1122, 31.4866)
Luminance	0.5111 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D588 #D5519E

analogous

#5CD551 #51D588 #51D5CA

triadic

#51D588 #8851D5 #D58851

tetradic

#51D588 #515CD5 #D5519E #D5CA51

square

#51D588 #515CD5 #D5519E #D5CA51

split-complementary

#51D588 #CA51D5 #D5515C

monochromatic

#218A4D #2DBC69 #51D588 #82E1AA #B4EDCB

Accessibility & contrast

On white

1.87

#51D588 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#51D588 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D588

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D588	#FFFFFF	#000000	##000000
##51D588	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)

#D5C583

Deuteranopia (green-blind)

#C3B88D

Tritanopia (blue-blind)

#16D3C1

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d588;
/* rgb */ color: rgb(81, 213, 136);
/* oklch */ color: oklch(78.1% 0.160 154.4);

Tailwind

colors: {
  custom: {
    50: '#8fe3ab',
    500: '#51d588',
    950: '#000000',
  },
}

SCSS

$custom: #51d588;
$custom-light: #8fe3ab;
$custom-dark: #000000;

JSON

{
  "hex": "#51d588",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 136
  },
  "hsl": {
    "h": 145,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78119,
    "c": 0.16016,
    "h": 154.4
  },
  "luminance": 0.51115
}

Semantic roles & 50–950 ramp

primary

#51D588

secondary

#903A6C

accent

#44A1E4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0D1510

muted

#7F8481

Preview Lab

Preview with #51D588

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

Preview Lab → · Contrast checker → · Palette generator →