#51D688#51D688

#51D688 is a light, vivid green. Relative luminance 0.516; OKLCH L 78.4% C 0.162 H 154.2°. Best body text is #000000 at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#51D688
RGB	rgb(81, 214, 136)
HSL	hsl(145, 62%, 58%)
HSV	hsv(145, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 36.4%, 16.1%)
CIE-LAB	lab(77.05, -53.68, 28.06)
CIE-LCH	lch(77.05, 60.57, 152.40°)
OKLab	oklab(78.37% -0.1454 0.0703)
OKLCH	oklch(78.37% 0.162 154.2)
XYZ	xyz(31.8812, 51.6168, 31.5707)
Luminance	0.5162 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D688 #D6519F

analogous

#5CD651 #51D688 #51D6CA

triadic

#51D688 #8851D6 #D68851

tetradic

#51D688 #515CD6 #D6519F #D6CA51

square

#51D688 #515CD6 #D6519F #D6CA51

split-complementary

#51D688 #CA51D6 #D6515C

monochromatic

#218C4D #2DBD68 #51D688 #83E2AA #B4EDCC

Accessibility & contrast

On white

1.85

#51D688 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.32

#51D688 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D688

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D688	#FFFFFF	#000000	##000000
##51D688	1.00	1.85	11.32	11.32
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.32	21.00	1.00	1.00
##000000	11.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C683

Deuteranopia (green-blind)

#C4B98D

Tritanopia (blue-blind)

#15D4C2

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d688;
/* rgb */ color: rgb(81, 214, 136);
/* oklch */ color: oklch(78.4% 0.162 154.2);

Tailwind

colors: {
  custom: {
    50: '#8fe3ab',
    500: '#51d688',
    950: '#000000',
  },
}

SCSS

$custom: #51d688;
$custom-light: #8fe3ab;
$custom-dark: #000000;

JSON

{
  "hex": "#51d688",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 136
  },
  "hsl": {
    "h": 144.812,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78369,
    "c": 0.1615,
    "h": 154.2
  },
  "luminance": 0.5162
}

Semantic roles & 50–950 ramp

primary

#51D688

secondary

#923A6D

accent

#43A2E5

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D688

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

Preview Lab → · Contrast checker → · Palette generator →