#51BC40#51BC40

#51BC40 is a light, vivid green. Relative luminance 0.381; OKLCH L 70.7% C 0.190 H 141.1°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#51BC40
RGB	rgb(81, 188, 64)
HSL	hsl(112, 49%, 49%)
HSV	hsv(112, 66%, 74%)
CMYK	cmyk(56.9%, 0%, 66%, 26.3%)
CIE-LAB	lab(68.08, -54.04, 51.75)
CIE-LCH	lch(68.08, 74.82, 136.24°)
OKLab	oklab(70.69% -0.1477 0.1194)
OKLCH	oklch(70.69% 0.19 141.1)
XYZ	xyz(22.3009, 38.0840, 11.0252)
Luminance	0.3809 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC40 #AB40BC

analogous

#8FBC40 #51BC40 #40BC6D

triadic

#51BC40 #4051BC #BC4051

tetradic

#51BC40 #408FBC #AB40BC #BC6D40

square

#51BC40 #408FBC #AB40BC #BC6D40

split-complementary

#51BC40 #6D40BC #BC408F

monochromatic

#2A6121 #3D8E30 #51BC40 #79CD6C #A3DD9A

Accessibility & contrast

On white

2.44

#51BC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#51BC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC40

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC40	#FFFFFF	#000000	##000000
##51BC40	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AC30

Deuteranopia (green-blind)

#B3A24B

Tritanopia (blue-blind)

#43B6A2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc40;
/* rgb */ color: rgb(81, 188, 64);
/* oklch */ color: oklch(70.7% 0.190 141.1);

Tailwind

colors: {
  custom: {
    50: '#8dd17a',
    500: '#51bc40',
    950: '#000000',
  },
}

SCSS

$custom: #51bc40;
$custom-light: #8dd17a;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc40",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 64
  },
  "hsl": {
    "h": 111.774,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70685,
    "c": 0.18992,
    "h": 141.1
  },
  "luminance": 0.38086
}

Semantic roles & 50–950 ramp

primary

#51BC40

secondary

#C18FC9

accent

#4FD9C6

background

#F9FCF7

surface

#F1F9EE

border

#CBD2C9

text

#0D140A

muted

#7E827C

Preview Lab

Preview with #51BC40

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

Preview Lab → · Contrast checker → · Palette generator →