#51BB7D#51BB7D

#51BB7D is a light, vivid green. Relative luminance 0.388; OKLCH L 71.4% C 0.134 H 155.1°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#51BB7D
RGB	rgb(81, 187, 125)
HSL	hsl(145, 44%, 53%)
HSV	hsv(145, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 33.2%, 26.7%)
CIE-LAB	lab(68.58, -44.81, 22.44)
CIE-LCH	lch(68.58, 50.11, 153.40°)
OKLab	oklab(71.36% -0.1219 0.0566)
OKLCH	oklch(71.36% 0.134 155.1)
XYZ	xyz(24.8633, 38.7684, 25.5708)
Luminance	0.3877 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB7D #BB518F

analogous

#5ABB51 #51BB7D #51BBB2

triadic

#51BB7D #7D51BB #BB7D51

tetradic

#51BB7D #515ABB #BB518F #BBB251

square

#51BB7D #515ABB #BB518F #BBB251

split-complementary

#51BB7D #B251BB #BB515A

monochromatic

#296943 #3A9560 #51BB7D #7DCC9E #A9DDBF

Accessibility & contrast

On white

2.40

#51BB7D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#51BB7D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB7D

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB7D	#FFFFFF	#000000	##000000
##51BB7D	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAAD79

Deuteranopia (green-blind)

#ACA381

Tritanopia (blue-blind)

#2FB9AB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bb7d;
/* rgb */ color: rgb(81, 187, 125);
/* oklch */ color: oklch(71.4% 0.134 155.1);

Tailwind

colors: {
  custom: {
    50: '#8bd0a3',
    500: '#51bb7d',
    950: '#000000',
  },
}

SCSS

$custom: #51bb7d;
$custom-light: #8bd0a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb7d",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 125
  },
  "hsl": {
    "h": 144.906,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71361,
    "c": 0.13439,
    "h": 155.1
  },
  "luminance": 0.38771
}

Semantic roles & 50–950 ramp

primary

#51BB7D

secondary

#CB9DB8

accent

#549FD4

background

#F8FCFA

surface

#F0F9F3

border

#CBD2CD

text

#0D140F

muted

#7D827F

Preview Lab

Preview with #51BB7D

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

Preview Lab → · Contrast checker → · Palette generator →