#51BE55#51BE55

#51BE55 is a light, vivid green. Relative luminance 0.392; OKLCH L 71.4% C 0.176 H 144.1°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#51BE55
RGB	rgb(81, 190, 85)
HSL	hsl(122, 46%, 53%)
HSV	hsv(122, 57%, 75%)
CMYK	cmyk(57.4%, 0%, 55.3%, 25.5%)
CIE-LAB	lab(68.92, -52.45, 43.28)
CIE-LCH	lch(68.92, 68.00, 140.47°)
OKLab	oklab(71.44% -0.1424 0.1031)
OKLCH	oklch(71.44% 0.176 144.1)
XYZ	xyz(23.4452, 39.2300, 14.9292)
Luminance	0.3923 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BE55 #BE51BA

analogous

#83BE51 #51BE55 #51BE8B

triadic

#51BE55 #5551BE #BE5551

tetradic

#51BE55 #5183BE #BE51BA #BE8B51

square

#51BE55 #5183BE #BE51BA #BE8B51

split-complementary

#51BE55 #8B51BE #BE5183

monochromatic

#286C2B #39993D #51BE55 #7ECF81 #AADFAC

Accessibility & contrast

On white

2.37

#51BE55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#51BE55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BE55

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BE55	#FFFFFF	#000000	##000000
##51BE55	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AE4B

Deuteranopia (green-blind)

#B3A45D

Tritanopia (blue-blind)

#3EB9A7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51be55;
/* rgb */ color: rgb(81, 190, 85);
/* oklch */ color: oklch(71.4% 0.176 144.1);

Tailwind

colors: {
  custom: {
    50: '#8cd288',
    500: '#51be55',
    950: '#000000',
  },
}

SCSS

$custom: #51be55;
$custom-light: #8cd288;
$custom-dark: #000000;

JSON

{
  "hex": "#51be55",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 85
  },
  "hsl": {
    "h": 122.202,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.71441,
    "c": 0.17578,
    "h": 144.1
  },
  "luminance": 0.39232
}

Semantic roles & 50–950 ramp

primary

#51BE55

secondary

#CD9ECB

accent

#53D0D5

background

#F9FDF8

surface

#F1FAF0

border

#CBD3CB

text

#0D140B

muted

#7E837C

Preview Lab

Preview with #51BE55

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

Preview Lab → · Contrast checker → · Palette generator →