#577B1D#577B1D

#577B1D is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.7% C 0.127 H 128.6°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#577B1D
RGB	rgb(87, 123, 29)
HSL	hsl(83, 62%, 30%)
HSV	hsv(83, 76%, 48%)
CMYK	cmyk(29.3%, 0%, 76.4%, 51.8%)
CIE-LAB	lab(47.34, -27.63, 44.35)
CIE-LCH	lch(47.34, 52.26, 121.92°)
OKLab	oklab(53.67% -0.079 0.099)
OKLCH	oklch(53.67% 0.127 128.6)
XYZ	xyz(11.2352, 16.2806, 3.7127)
Luminance	0.1628 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B1D #411D7B

analogous

#7B701D #577B1D #287B1D

triadic

#577B1D #1D577B #7B1D57

tetradic

#577B1D #1D7B70 #411D7B #7B1D28

square

#577B1D #1D7B70 #411D7B #7B1D28

split-complementary

#577B1D #1D287B #701D7B

monochromatic

#121906 #344911 #577B1D #7AAD29 #9AD240

Accessibility & contrast

On white

4.93

#577B1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#577B1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B1D

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B1D	#FFFFFF	#000000	##FFFFFF
##577B1D	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#81720A

Deuteranopia (green-blind)

#7C6F26

Tritanopia (blue-blind)

#5A7569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b1d;
/* rgb */ color: rgb(87, 123, 29);
/* oklch */ color: oklch(53.7% 0.127 128.6);

Tailwind

colors: {
  custom: {
    50: '#8aa160',
    500: '#577b1d',
    950: '#000000',
  },
}

SCSS

$custom: #577b1d;
$custom-light: #8aa160;
$custom-dark: #000000;

JSON

{
  "hex": "#577b1d",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 29
  },
  "hsl": {
    "h": 82.979,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.53669,
    "c": 0.12664,
    "h": 128.6
  },
  "luminance": 0.16281
}

Semantic roles & 50–950 ramp

primary

#577B1D

secondary

#6E45AF

accent

#43E581

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #577B1D

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

Preview Lab → · Contrast checker → · Palette generator →