#51BE40#51BE40

#51BE40 is a light, vivid green. Relative luminance 0.389; OKLCH L 71.2% C 0.192 H 141.1°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#51BE40
RGB	rgb(81, 190, 64)
HSL	hsl(112, 50%, 50%)
HSV	hsv(112, 66%, 75%)
CMYK	cmyk(57.4%, 0%, 66.3%, 25.5%)
CIE-LAB	lab(68.71, -54.77, 52.43)
CIE-LCH	lch(68.71, 75.82, 136.25°)
OKLab	oklab(71.2% -0.1497 0.1208)
OKLCH	oklch(71.2% 0.192 141.1)
XYZ	xyz(22.7311, 38.9444, 11.1686)
Luminance	0.3895 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BE40 #AD40BE

analogous

#90BE40 #51BE40 #40BE6E

triadic

#51BE40 #4051BE #BE4051

tetradic

#51BE40 #4090BE #AD40BE #BE6E40

square

#51BE40 #4090BE #AD40BE #BE6E40

split-complementary

#51BE40 #6E40BE #BE4090

monochromatic

#2A6221 #3D9031 #51BE40 #7ACE6D #A4DD9B

Accessibility & contrast

On white

2.39

#51BE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#51BE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BE40

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BE40	#FFFFFF	#000000	##000000
##51BE40	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD2F

Deuteranopia (green-blind)

#B5A44B

Tritanopia (blue-blind)

#42B8A4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51be40;
/* rgb */ color: rgb(81, 190, 64);
/* oklch */ color: oklch(71.2% 0.192 141.1);

Tailwind

colors: {
  custom: {
    50: '#8dd27b',
    500: '#51be40',
    950: '#000000',
  },
}

SCSS

$custom: #51be40;
$custom-light: #8dd27b;
$custom-dark: #000000;

JSON

{
  "hex": "#51be40",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 64
  },
  "hsl": {
    "h": 111.905,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71204,
    "c": 0.19238,
    "h": 141.1
  },
  "luminance": 0.38946
}

Semantic roles & 50–950 ramp

primary

#51BE40

secondary

#C290C9

accent

#4FD9C6

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51BE40

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

Preview Lab → · Contrast checker → · Palette generator →