#577A21#577A21

#577A21 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.4% C 0.123 H 128.7°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#577A21
RGB	rgb(87, 122, 33)
HSL	hsl(84, 57%, 30%)
HSV	hsv(84, 73%, 48%)
CMYK	cmyk(28.7%, 0%, 73%, 52.2%)
CIE-LAB	lab(47.05, -26.88, 42.50)
CIE-LCH	lch(47.05, 50.28, 122.31°)
OKLab	oklab(53.44% -0.0766 0.0957)
OKLCH	oklch(53.44% 0.123 128.7)
XYZ	xyz(11.1645, 16.0548, 3.9492)
Luminance	0.1605 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A21 #44217A

analogous

#7A7021 #577A21 #2A7A21

triadic

#577A21 #21577A #7A2157

tetradic

#577A21 #217A70 #44217A #7A212A

square

#577A21 #217A70 #44217A #7A212A

split-complementary

#577A21 #212A7A #70217A

monochromatic

#121A07 #354A14 #577A21 #79AA2E #99CD48

Accessibility & contrast

On white

4.99

#577A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#577A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577A21

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A21	#FFFFFF	#000000	##FFFFFF
##577A21	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807112

Deuteranopia (green-blind)

#7B6F29

Tritanopia (blue-blind)

#5A7468

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577a21;
/* rgb */ color: rgb(87, 122, 33);
/* oklch */ color: oklch(53.4% 0.123 128.7);

Tailwind

colors: {
  custom: {
    50: '#8aa062',
    500: '#577a21',
    950: '#000000',
  },
}

SCSS

$custom: #577a21;
$custom-light: #8aa062;
$custom-dark: #000000;

JSON

{
  "hex": "#577a21",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 33
  },
  "hsl": {
    "h": 83.596,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.53439,
    "c": 0.12261,
    "h": 128.7
  },
  "luminance": 0.16055
}

Semantic roles & 50–950 ramp

primary

#577A21

secondary

#714AAD

accent

#47E184

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0E05

muted

#7D7E7A

Preview Lab

Preview with #577A21

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

Preview Lab → · Contrast checker → · Palette generator →