#51BF71#51BF71

#51BF71 is a light, vivid green. Relative luminance 0.402; OKLCH L 72.1% C 0.151 H 150.4°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#51BF71
RGB	rgb(81, 191, 113)
HSL	hsl(137, 46%, 53%)
HSV	hsv(137, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 40.8%, 25.1%)
CIE-LAB	lab(69.61, -48.65, 30.14)
CIE-LCH	lch(69.61, 57.23, 148.22°)
OKLab	oklab(72.14% -0.1317 0.0747)
OKLCH	oklch(72.14% 0.151 150.4)
XYZ	xyz(25.0030, 40.2009, 22.0615)
Luminance	0.4020 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF71 #BF519F

analogous

#68BF51 #51BF71 #51BFA8

triadic

#51BF71 #7151BF #BF7151

tetradic

#51BF71 #5168BF #BF519F #BFA851

square

#51BF71 #5168BF #BF519F #BFA851

split-complementary

#51BF71 #A851BF #BF5168

monochromatic

#286D3C #399A55 #51BF71 #7ECF96 #AAE0BA

Accessibility & contrast

On white

2.32

#51BF71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#51BF71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF71

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF71	#FFFFFF	#000000	##000000
##51BF71	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0B06B

Deuteranopia (green-blind)

#B1A676

Tritanopia (blue-blind)

#34BCAC

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51bf71;
/* rgb */ color: rgb(81, 191, 113);
/* oklch */ color: oklch(72.1% 0.151 150.4);

Tailwind

colors: {
  custom: {
    50: '#8bd39a',
    500: '#51bf71',
    950: '#000000',
  },
}

SCSS

$custom: #51bf71;
$custom-light: #8bd39a;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf71",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 113
  },
  "hsl": {
    "h": 137.455,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72137,
    "c": 0.1514,
    "h": 150.4
  },
  "luminance": 0.40203
}

Semantic roles & 50–950 ramp

primary

#51BF71

secondary

#CE9EC0

accent

#52AFD6

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D140E

muted

#7E837E

Preview Lab

Preview with #51BF71

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

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