#51B277#51B277

#51B277 is a light, vivid green. Relative luminance 0.349; OKLCH L 69.0% C 0.127 H 154.5°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#51B277
RGB	rgb(81, 178, 119)
HSL	hsl(144, 39%, 51%)
HSV	hsv(144, 54%, 70%)
CMYK	cmyk(54.5%, 0%, 33.1%, 30.2%)
CIE-LAB	lab(65.69, -42.14, 21.73)
CIE-LCH	lch(65.69, 47.42, 152.72°)
OKLab	oklab(68.96% -0.1147 0.0548)
OKLCH	oklch(68.96% 0.127 154.5)
XYZ	xyz(22.6418, 34.9200, 22.9963)
Luminance	0.3492 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B277 #B2518C

analogous

#5BB251 #51B277 #51B2A7

triadic

#51B277 #7751B2 #B27751

tetradic

#51B277 #515BB2 #B2518C #B2A751

square

#51B277 #515BB2 #B2518C #B2A751

split-complementary

#51B277 #A751B2 #B2515B

monochromatic

#2A5F3F #3D895B #51B277 #7BC598 #A6D8B9

Accessibility & contrast

On white

2.63

#51B277 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#51B277 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B277

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B277	#FFFFFF	#000000	##000000
##51B277	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A573

Deuteranopia (green-blind)

#A49C7B

Tritanopia (blue-blind)

#35B0A3

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b277;
/* rgb */ color: rgb(81, 178, 119);
/* oklch */ color: oklch(69.0% 0.127 154.5);

Tailwind

colors: {
  custom: {
    50: '#89ca9e',
    500: '#51b277',
    950: '#000000',
  },
}

SCSS

$custom: #51b277;
$custom-light: #89ca9e;
$custom-dark: #000000;

JSON

{
  "hex": "#51b277",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 119
  },
  "hsl": {
    "h": 143.505,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.68955,
    "c": 0.12713,
    "h": 154.5
  },
  "luminance": 0.34922
}

Semantic roles & 50–950 ramp

primary

#51B277

secondary

#C59AB4

accent

#59A1CF

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0C130E

muted

#7D827E

Preview Lab

Preview with #51B277

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

Preview Lab → · Contrast checker → · Palette generator →