#51BB7E#51BB7E

#51BB7E is a light, vivid green. Relative luminance 0.388; OKLCH L 71.4% C 0.133 H 155.5°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#51BB7E
RGB	rgb(81, 187, 126)
HSL	hsl(145, 44%, 53%)
HSV	hsv(145, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 32.6%, 26.7%)
CIE-LAB	lab(68.60, -44.61, 21.93)
CIE-LCH	lch(68.60, 49.71, 153.82°)
OKLab	oklab(71.38% -0.1214 0.0554)
OKLCH	oklch(71.38% 0.133 155.5)
XYZ	xyz(24.9275, 38.7940, 25.9090)
Luminance	0.3880 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB7E #BB518E

analogous

#59BB51 #51BB7E #51BBB3

triadic

#51BB7E #7E51BB #BB7E51

tetradic

#51BB7E #5159BB #BB518E #BBB351

square

#51BB7E #5159BB #BB518E #BBB351

split-complementary

#51BB7E #B351BB #BB5159

monochromatic

#296944 #3A9561 #51BB7E #7DCC9F #A9DDBF

Accessibility & contrast

On white

2.40

#51BB7E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#51BB7E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB7E

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB7E	#FFFFFF	#000000	##000000
##51BB7E	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAAE7A

Deuteranopia (green-blind)

#ACA382

Tritanopia (blue-blind)

#2EB9AB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bb7e;
/* rgb */ color: rgb(81, 187, 126);
/* oklch */ color: oklch(71.4% 0.133 155.5);

Tailwind

colors: {
  custom: {
    50: '#8bd0a3',
    500: '#51bb7e',
    950: '#000000',
  },
}

SCSS

$custom: #51bb7e;
$custom-light: #8bd0a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb7e",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 126
  },
  "hsl": {
    "h": 145.472,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71383,
    "c": 0.13346,
    "h": 155.5
  },
  "luminance": 0.38796
}

Semantic roles & 50–950 ramp

primary

#51BB7E

secondary

#CB9DB7

accent

#549ED4

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0D140F

muted

#7D827F

Preview Lab

Preview with #51BB7E

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

Preview Lab → · Contrast checker → · Palette generator →