#577B3B#577B3B

#577B3B is a mid, moderate yellow-green. Relative luminance 0.165; OKLCH L 54.0% C 0.101 H 133.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577B3B
RGB	rgb(87, 123, 59)
HSL	hsl(94, 35%, 36%)
HSV	hsv(94, 52%, 48%)
CMYK	cmyk(29.3%, 0%, 52%, 51.8%)
CIE-LAB	lab(47.63, -24.83, 30.75)
CIE-LCH	lch(47.63, 39.52, 128.92°)
OKLab	oklab(54% -0.0687 0.0736)
OKLCH	oklch(54% 0.101 133)
XYZ	xyz(11.8026, 16.5076, 6.7013)
Luminance	0.1651 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B3B #5F3B7B

analogous

#777B3B #577B3B #3B7B3F

triadic

#577B3B #3B577B #7B3B57

tetradic

#577B3B #3B777B #5F3B7B #7B3F3B

square

#577B3B #3B777B #5F3B7B #7B3F3B

split-complementary

#577B3B #3F3B7B #7B3B77

monochromatic

#1C2813 #3A5227 #577B3B #74A44F #94BC74

Accessibility & contrast

On white

4.88

#577B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#577B3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B3B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B3B	#FFFFFF	#000000	##FFFFFF
##577B3B	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7335

Deuteranopia (green-blind)

#7A703F

Tritanopia (blue-blind)

#58776C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577b3b;
/* rgb */ color: rgb(87, 123, 59);
/* oklch */ color: oklch(54.0% 0.101 133.0);

Tailwind

colors: {
  custom: {
    50: '#88a172',
    500: '#577b3b',
    950: '#000000',
  },
}

SCSS

$custom: #577b3b;
$custom-light: #88a172;
$custom-dark: #000000;

JSON

{
  "hex": "#577b3b",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 59
  },
  "hsl": {
    "h": 93.75,
    "s": 35.165,
    "l": 35.686
  },
  "oklch": {
    "l": 0.54002,
    "c": 0.10071,
    "h": 133
  },
  "luminance": 0.16508
}

Semantic roles & 50–950 ramp

primary

#577B3B

secondary

#8D6CA6

accent

#5DCB9B

background

#F8F9F7

surface

#F0F2ED

border

#CBCCC8

text

#0B0F08

muted

#7C7E7B

Preview Lab

Preview with #577B3B

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

Preview Lab → · Contrast checker → · Palette generator →