#51BB38#51BB38

#51BB38 is a light, vivid green. Relative luminance 0.376; OKLCH L 70.4% C 0.194 H 140.2°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#51BB38
RGB	rgb(81, 187, 56)
HSL	hsl(109, 54%, 48%)
HSV	hsv(109, 70%, 73%)
CMYK	cmyk(56.7%, 0%, 70.1%, 26.7%)
CIE-LAB	lab(67.71, -54.38, 54.57)
CIE-LCH	lch(67.71, 77.04, 134.90°)
OKLab	oklab(70.35% -0.1491 0.1243)
OKLCH	oklch(70.35% 0.194 140.2)
XYZ	xyz(21.8765, 37.5736, 9.8402)
Luminance	0.3758 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB38 #A238BB

analogous

#92BB38 #51BB38 #38BB61

triadic

#51BB38 #3851BB #BB3851

tetradic

#51BB38 #3892BB #A238BB #BB6138

square

#51BB38 #3892BB #A238BB #BB6138

split-complementary

#51BB38 #6138BB #BB3892

monochromatic

#285D1C #3D8C2A #51BB38 #76D061 #9FDE90

Accessibility & contrast

On white

2.47

#51BB38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#51BB38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB38

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB38	#FFFFFF	#000000	##000000
##51BB38	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA24

Deuteranopia (green-blind)

#B3A245

Tritanopia (blue-blind)

#44B5A1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb38;
/* rgb */ color: rgb(81, 187, 56);
/* oklch */ color: oklch(70.4% 0.194 140.2);

Tailwind

colors: {
  custom: {
    50: '#8dd076',
    500: '#51bb38',
    950: '#000000',
  },
}

SCSS

$custom: #51bb38;
$custom-light: #8dd076;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb38",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 56
  },
  "hsl": {
    "h": 108.55,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.70354,
    "c": 0.19415,
    "h": 140.2
  },
  "luminance": 0.37576
}

Semantic roles & 50–950 ramp

primary

#51BB38

secondary

#BC86C8

accent

#4BDDC1

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #51BB38

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

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