#51CB45#51CB45

#51CB45 is a light, highly saturated green. Relative luminance 0.449; OKLCH L 74.6% C 0.205 H 141.8°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#51CB45
RGB	rgb(81, 203, 69)
HSL	hsl(115, 56%, 53%)
HSV	hsv(115, 66%, 80%)
CMYK	cmyk(60.1%, 0%, 66%, 20.4%)
CIE-LAB	lab(72.82, -59.01, 54.82)
CIE-LCH	lch(72.82, 80.54, 137.10°)
OKLab	oklab(74.61% -0.1609 0.1264)
OKLCH	oklch(74.61% 0.205 141.8)
XYZ	xyz(25.8221, 44.8885, 12.9326)
Luminance	0.4489 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB45 #BF45CB

analogous

#94CB45 #51CB45 #45CB7C

triadic

#51CB45 #4551CB #CB4551

tetradic

#51CB45 #4594CB #BF45CB #CB7C45

square

#51CB45 #4594CB #BF45CB #CB7C45

split-complementary

#51CB45 #7C45CB #CB4594

monochromatic

#287521 #39A52E #51CB45 #7ED875 #AAE6A5

Accessibility & contrast

On white

2.10

#51CB45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#51CB45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB45

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB45	#FFFFFF	#000000	##000000
##51CB45	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B933

Deuteranopia (green-blind)

#C1AF51

Tritanopia (blue-blind)

#3DC5AF

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb45;
/* rgb */ color: rgb(81, 203, 69);
/* oklch */ color: oklch(74.6% 0.205 141.8);

Tailwind

colors: {
  custom: {
    50: '#8fdc7f',
    500: '#51cb45',
    950: '#000000',
  },
}

SCSS

$custom: #51cb45;
$custom-light: #8fdc7f;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb45",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 69
  },
  "hsl": {
    "h": 114.627,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.74607,
    "c": 0.20462,
    "h": 141.8
  },
  "luminance": 0.44891
}

Semantic roles & 50–950 ramp

primary

#51CB45

secondary

#CE99D3

accent

#48E0D2

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CB45

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

Preview Lab → · Contrast checker → · Palette generator →