#57B728#57B728

#57B728 is a light, vivid green. Relative luminance 0.360; OKLCH L 69.4% C 0.196 H 137.8°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#57B728
RGB	rgb(87, 183, 40)
HSL	hsl(100, 64%, 44%)
HSV	hsv(100, 78%, 72%)
CMYK	cmyk(52.5%, 0%, 78.1%, 28.2%)
CIE-LAB	lab(66.55, -52.39, 59.11)
CIE-LCH	lch(66.55, 78.99, 131.55°)
OKLab	oklab(69.43% -0.1451 0.1316)
OKLCH	oklch(69.43% 0.196 137.8)
XYZ	xyz(21.2462, 36.0448, 7.8448)
Luminance	0.3605 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B728 #8828B7

analogous

#9EB728 #57B728 #28B740

triadic

#57B728 #2857B7 #B72857

tetradic

#57B728 #289EB7 #8828B7 #B74028

square

#57B728 #289EB7 #8828B7 #B74028

split-complementary

#57B728 #4028B7 #B7289E

monochromatic

#275312 #3F851D #57B728 #75D646 #9BE178

Accessibility & contrast

On white

2.56

#57B728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#57B728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B728

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B728	#FFFFFF	#000000	##000000
##57B728	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA700

Deuteranopia (green-blind)

#B19F38

Tritanopia (blue-blind)

#50B09C

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #57b728;
/* rgb */ color: rgb(87, 183, 40);
/* oklch */ color: oklch(69.4% 0.196 137.8);

Tailwind

colors: {
  custom: {
    50: '#90cd6d',
    500: '#57b728',
    950: '#000000',
  },
}

SCSS

$custom: #57b728;
$custom-light: #90cd6d;
$custom-dark: #000000;

JSON

{
  "hex": "#57b728",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 40
  },
  "hsl": {
    "h": 100.28,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.69431,
    "c": 0.19585,
    "h": 137.8
  },
  "luminance": 0.36046
}

Semantic roles & 50–950 ramp

primary

#57B728

secondary

#AC72C9

accent

#41E7B0

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #57B728

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

Preview Lab → · Contrast checker → · Palette generator →