#1F552D#1F552D

#1F552D is a dark, moderate green. Relative luminance 0.070; OKLCH L 40.2% C 0.088 H 149.3°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F552D
RGB	rgb(31, 85, 45)
HSL	hsl(136, 47%, 23%)
HSV	hsv(136, 64%, 33%)
CMYK	cmyk(63.5%, 0%, 47.1%, 66.7%)
CIE-LAB	lab(31.76, -27.86, 18.13)
CIE-LCH	lch(31.76, 33.24, 146.95°)
OKLab	oklab(40.22% -0.0754 0.0447)
OKLCH	oklch(40.22% 0.088 149.3)
XYZ	xyz(4.2869, 6.9774, 3.6030)
Luminance	0.0698 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F552D #551F47

analogous

#2C551F #1F552D #1F5548

triadic

#1F552D #2D1F55 #552D1F

tetradic

#1F552D #1F2C55 #551F47 #55481F

square

#1F552D #1F2C55 #551F47 #55481F

split-complementary

#1F552D #481F55 #551F2C

monochromatic

#08160C #0F2815 #1F552D #2F8245 #40AF5C

Accessibility & contrast

On white

8.77

#1F552D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1F552D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F552D

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F552D	#FFFFFF	#000000	##FFFFFF
##1F552D	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2A

Deuteranopia (green-blind)

#4F4930

Tritanopia (blue-blind)

#11534B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f552d;
/* rgb */ color: rgb(31, 85, 45);
/* oklch */ color: oklch(40.2% 0.088 149.3);

Tailwind

colors: {
  custom: {
    50: '#618566',
    500: '#1f552d',
    950: '#000000',
  },
}

SCSS

$custom: #1f552d;
$custom-light: #618566;
$custom-dark: #000000;

JSON

{
  "hex": "#1f552d",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 45
  },
  "hsl": {
    "h": 135.556,
    "s": 46.552,
    "l": 22.745
  },
  "oklch": {
    "l": 0.40218,
    "c": 0.0876,
    "h": 149.3
  },
  "luminance": 0.06978
}

Semantic roles & 50–950 ramp

primary

#1F552D

secondary

#8A4678

accent

#52B4D6

background

#F5F8F6

surface

#EAEFEB

border

#C6CAC6

text

#050B06

muted

#797C7A

Preview Lab

Preview with #1F552D

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

Preview Lab → · Contrast checker → · Palette generator →