#51BB71#51BB71

#51BB71 is a light, vivid green. Relative luminance 0.385; OKLCH L 71.1% C 0.146 H 150.9°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#51BB71
RGB	rgb(81, 187, 113)
HSL	hsl(138, 44%, 53%)
HSV	hsv(138, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 39.6%, 26.7%)
CIE-LAB	lab(68.37, -47.02, 28.51)
CIE-LCH	lch(68.37, 54.99, 148.77°)
OKLab	oklab(71.12% -0.1274 0.0709)
OKLCH	oklch(71.12% 0.146 150.9)
XYZ	xyz(24.1425, 38.4800, 21.7747)
Luminance	0.3848 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB71 #BB519B

analogous

#66BB51 #51BB71 #51BBA6

triadic

#51BB71 #7151BB #BB7151

tetradic

#51BB71 #5166BB #BB519B #BBA651

square

#51BB71 #5166BB #BB519B #BBA651

split-complementary

#51BB71 #A651BB #BB5166

monochromatic

#29693C #3A9555 #51BB71 #7DCC95 #A9DDB9

Accessibility & contrast

On white

2.41

#51BB71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#51BB71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB71

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB71	#FFFFFF	#000000	##000000
##51BB71	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)

#BCAD6C

Deuteranopia (green-blind)

#ADA376

Tritanopia (blue-blind)

#35B8A8

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bb71;
/* rgb */ color: rgb(81, 187, 113);
/* oklch */ color: oklch(71.1% 0.146 150.9);

Tailwind

colors: {
  custom: {
    50: '#8bd09a',
    500: '#51bb71',
    950: '#000000',
  },
}

SCSS

$custom: #51bb71;
$custom-light: #8bd09a;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb71",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 113
  },
  "hsl": {
    "h": 138.113,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.7112,
    "c": 0.14578,
    "h": 150.9
  },
  "luminance": 0.38482
}

Semantic roles & 50–950 ramp

primary

#51BB71

secondary

#CB9DBD

accent

#54ADD4

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0D140E

muted

#7D827E

Preview Lab

Preview with #51BB71

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

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