#51D18B#51D18B

#51D18B is a light, vivid green. Relative luminance 0.492; OKLCH L 77.2% C 0.152 H 156.0°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#51D18B
RGB	rgb(81, 209, 139)
HSL	hsl(147, 58%, 57%)
HSV	hsv(147, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 33.5%, 18%)
CIE-LAB	lab(75.58, -51.13, 24.52)
CIE-LCH	lch(75.58, 56.71, 154.38°)
OKLab	oklab(77.18% -0.1389 0.0618)
OKLCH	oklch(77.18% 0.152 156)
XYZ	xyz(30.8513, 49.2112, 32.2940)
Luminance	0.4921 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D18B #D15197

analogous

#57D151 #51D18B #51D1CB

triadic

#51D18B #8B51D1 #D18B51

tetradic

#51D18B #5157D1 #D15197 #D1CB51

square

#51D18B #5157D1 #D15197 #D1CB51

split-complementary

#51D18B #CB51D1 #D15157

monochromatic

#23854F #30B56C #51D18B #81DEAB #B2EBCC

Accessibility & contrast

On white

1.94

#51D18B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#51D18B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D18B

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D18B	#FFFFFF	#000000	##000000
##51D18B	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C187

Deuteranopia (green-blind)

#BFB58F

Tritanopia (blue-blind)

#16CFBF

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d18b;
/* rgb */ color: rgb(81, 209, 139);
/* oklch */ color: oklch(77.2% 0.152 156.0);

Tailwind

colors: {
  custom: {
    50: '#8ee0ad',
    500: '#51d18b',
    950: '#000000',
  },
}

SCSS

$custom: #51d18b;
$custom-light: #8ee0ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51d18b",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 139
  },
  "hsl": {
    "h": 147.188,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.77181,
    "c": 0.15204,
    "h": 156
  },
  "luminance": 0.49214
}

Semantic roles & 50–950 ramp

primary

#51D18B

secondary

#D9A5C1

accent

#469BE1

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51D18B

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

Preview Lab → · Contrast checker → · Palette generator →