#51BD40#51BD40

#51BD40 is a light, vivid green. Relative luminance 0.385; OKLCH L 70.9% C 0.191 H 141.1°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#51BD40
RGB	rgb(81, 189, 64)
HSL	hsl(112, 49%, 50%)
HSV	hsv(112, 66%, 74%)
CMYK	cmyk(57.1%, 0%, 66.1%, 25.9%)
CIE-LAB	lab(68.40, -54.41, 52.09)
CIE-LCH	lch(68.40, 75.32, 136.25°)
OKLab	oklab(70.95% -0.1487 0.1201)
OKLCH	oklch(70.95% 0.191 141.1)
XYZ	xyz(22.5153, 38.5127, 11.0967)
Luminance	0.3851 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD40 #AC40BD

analogous

#90BD40 #51BD40 #40BD6E

triadic

#51BD40 #4051BD #BD4051

tetradic

#51BD40 #4090BD #AC40BD #BD6E40

square

#51BD40 #4090BD #AC40BD #BD6E40

split-complementary

#51BD40 #6E40BD #BD4090

monochromatic

#2A6221 #3D8F31 #51BD40 #7ACD6D #A3DD9A

Accessibility & contrast

On white

2.41

#51BD40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#51BD40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD40

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD40	#FFFFFF	#000000	##000000
##51BD40	1.00	2.41	8.70	8.70
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC30

Deuteranopia (green-blind)

#B4A34B

Tritanopia (blue-blind)

#42B7A3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bd40;
/* rgb */ color: rgb(81, 189, 64);
/* oklch */ color: oklch(70.9% 0.191 141.1);

Tailwind

colors: {
  custom: {
    50: '#8dd27b',
    500: '#51bd40',
    950: '#000000',
  },
}

SCSS

$custom: #51bd40;
$custom-light: #8dd27b;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd40",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 64
  },
  "hsl": {
    "h": 111.84,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.70945,
    "c": 0.19115,
    "h": 141.1
  },
  "luminance": 0.38515
}

Semantic roles & 50–950 ramp

primary

#51BD40

secondary

#C190C9

accent

#4FD9C6

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51BD40

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

Preview Lab → · Contrast checker → · Palette generator →