#51BF73#51BF73

#51BF73 is a light, vivid green. Relative luminance 0.402; OKLCH L 72.2% C 0.149 H 151.0°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#51BF73
RGB	rgb(81, 191, 115)
HSL	hsl(139, 46%, 53%)
HSV	hsv(139, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 39.8%, 25.1%)
CIE-LAB	lab(69.64, -48.30, 29.14)
CIE-LCH	lch(69.64, 56.41, 148.90°)
OKLab	oklab(72.17% -0.1308 0.0724)
OKLCH	oklch(72.17% 0.15 151)
XYZ	xyz(25.1168, 40.2464, 22.6611)
Luminance	0.4025 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF73 #BF519D

analogous

#66BF51 #51BF73 #51BFAA

triadic

#51BF73 #7351BF #BF7351

tetradic

#51BF73 #5166BF #BF519D #BFAA51

square

#51BF73 #5166BF #BF519D #BFAA51

split-complementary

#51BF73 #AA51BF #BF5166

monochromatic

#286D3E #399A57 #51BF73 #7ECF97 #AAE0BB

Accessibility & contrast

On white

2.32

#51BF73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#51BF73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF73

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF73	#FFFFFF	#000000	##000000
##51BF73	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0B06E

Deuteranopia (green-blind)

#B1A678

Tritanopia (blue-blind)

#33BCAC

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51bf73;
/* rgb */ color: rgb(81, 191, 115);
/* oklch */ color: oklch(72.2% 0.149 151.0);

Tailwind

colors: {
  custom: {
    50: '#8bd39c',
    500: '#51bf73',
    950: '#000000',
  },
}

SCSS

$custom: #51bf73;
$custom-light: #8bd39c;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf73",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 115
  },
  "hsl": {
    "h": 138.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72174,
    "c": 0.1495,
    "h": 151
  },
  "luminance": 0.40249
}

Semantic roles & 50–950 ramp

primary

#51BF73

secondary

#CE9EBF

accent

#52ADD6

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D140E

muted

#7E837E

Preview Lab

Preview with #51BF73

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

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