#577D21#577D21

#577D21 is a mid, vivid yellow-green. Relative luminance 0.168; OKLCH L 54.2% C 0.127 H 129.5°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#577D21
RGB	rgb(87, 125, 33)
HSL	hsl(85, 58%, 31%)
HSV	hsv(85, 74%, 49%)
CMYK	cmyk(30.4%, 0%, 73.6%, 51%)
CIE-LAB	lab(48.01, -28.33, 43.47)
CIE-LCH	lch(48.01, 51.89, 123.09°)
OKLab	oklab(54.22% -0.0806 0.0978)
OKLCH	oklch(54.22% 0.127 129.5)
XYZ	xyz(11.5386, 16.8029, 4.0739)
Luminance	0.1680 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D21 #47217D

analogous

#7D7521 #577D21 #297D21

triadic

#577D21 #21577D #7D2157

tetradic

#577D21 #217D75 #47217D #7D2129

square

#577D21 #217D75 #47217D #7D2129

split-complementary

#577D21 #21297D #75217D

monochromatic

#141C07 #354D14 #577D21 #79AD2E #98CF49

Accessibility & contrast

On white

4.82

#577D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#577D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577D21

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D21	#FFFFFF	#000000	##FFFFFF
##577D21	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837411

Deuteranopia (green-blind)

#7E7129

Tritanopia (blue-blind)

#5A776B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577d21;
/* rgb */ color: rgb(87, 125, 33);
/* oklch */ color: oklch(54.2% 0.127 129.5);

Tailwind

colors: {
  custom: {
    50: '#8aa363',
    500: '#577d21',
    950: '#000000',
  },
}

SCSS

$custom: #577d21;
$custom-light: #8aa363;
$custom-dark: #000000;

JSON

{
  "hex": "#577d21",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 33
  },
  "hsl": {
    "h": 84.783,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54223,
    "c": 0.1267,
    "h": 129.5
  },
  "luminance": 0.16803
}

Semantic roles & 50–950 ramp

primary

#577D21

secondary

#744AB0

accent

#46E186

background

#F8FAF6

surface

#F0F3EB

border

#CBCDC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #577D21

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

Preview Lab → · Contrast checker → · Palette generator →