#51A571#51A571

#51A571 is a light, moderate green. Relative luminance 0.299; OKLCH L 65.5% C 0.114 H 154.5°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#51A571
RGB	rgb(81, 165, 113)
HSL	hsl(143, 34%, 48%)
HSV	hsv(143, 51%, 65%)
CMYK	cmyk(50.9%, 0%, 31.5%, 35.3%)
CIE-LAB	lab(61.52, -37.62, 19.34)
CIE-LCH	lch(61.52, 42.30, 152.79°)
OKLab	oklab(65.52% -0.1026 0.0489)
OKLCH	oklch(65.52% 0.114 154.5)
XYZ	xyz(19.8276, 29.8502, 20.3364)
Luminance	0.2985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A571 #A55185

analogous

#5BA551 #51A571 #51A59B

triadic

#51A571 #7151A5 #A57151

tetradic

#51A571 #515BA5 #A55185 #A59B51

square

#51A571 #515BA5 #A55185 #A59B51

split-complementary

#51A571 #9B51A5 #A5515B

monochromatic

#295339 #3D7C55 #51A571 #77BC91 #A0D0B2

Accessibility & contrast

On white

3.01

#51A571 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#51A571 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A571

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A571	#FFFFFF	#000000	##000000
##51A571	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59A6E

Deuteranopia (green-blind)

#999174

Tritanopia (blue-blind)

#3CA397

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #51a571;
/* rgb */ color: rgb(81, 165, 113);
/* oklch */ color: oklch(65.5% 0.114 154.5);

Tailwind

colors: {
  custom: {
    50: '#88c09a',
    500: '#51a571',
    950: '#000000',
  },
}

SCSS

$custom: #51a571;
$custom-light: #88c09a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a571",
  "rgb": {
    "r": 81,
    "g": 165,
    "b": 113
  },
  "hsl": {
    "h": 142.857,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65518,
    "c": 0.11368,
    "h": 154.5
  },
  "luminance": 0.29852
}

Semantic roles & 50–950 ramp

primary

#51A571

secondary

#BD94AE

accent

#5EA1CA

background

#F8FBF9

surface

#F0F7F2

border

#CBD0CC

text

#0C120E

muted

#7D817E

Preview Lab

Preview with #51A571

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

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