#1F8539#1F8539

#1F8539 is a mid, vivid green. Relative luminance 0.174; OKLCH L 54.3% C 0.145 H 147.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F8539
RGB	rgb(31, 133, 57)
HSL	hsl(135, 62%, 32%)
HSV	hsv(135, 77%, 52%)
CMYK	cmyk(76.7%, 0%, 57.1%, 47.8%)
CIE-LAB	lab(48.71, -45.35, 32.57)
CIE-LCH	lch(48.71, 55.83, 144.31°)
OKLab	oklab(54.27% -0.122 0.0778)
OKLCH	oklch(54.27% 0.145 147.5)
XYZ	xyz(9.6904, 17.3606, 6.7103)
Luminance	0.1736 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8539 #851F6B

analogous

#38851F #1F8539 #1F856C

triadic

#1F8539 #391F85 #85391F

tetradic

#1F8539 #1F3885 #851F6B #856C1F

square

#1F8539 #1F3885 #851F6B #856C1F

split-complementary

#1F8539 #6C1F85 #851F38

monochromatic

#08220E #135324 #1F8539 #2BB74E #4AD56D

Accessibility & contrast

On white

4.70

#1F8539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#1F8539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F8539

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8539	#FFFFFF	#000000	##FFFFFF
##1F8539	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877932

Deuteranopia (green-blind)

#7B703F

Tritanopia (blue-blind)

#008274

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1f8539;
/* rgb */ color: rgb(31, 133, 57);
/* oklch */ color: oklch(54.3% 0.145 147.5);

Tailwind

colors: {
  custom: {
    50: '#6ca971',
    500: '#1f8539',
    950: '#000000',
  },
}

SCSS

$custom: #1f8539;
$custom-light: #6ca971;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8539",
  "rgb": {
    "r": 31,
    "g": 133,
    "b": 57
  },
  "hsl": {
    "h": 135.294,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.54273,
    "c": 0.14472,
    "h": 147.5
  },
  "luminance": 0.17362
}

Semantic roles & 50–950 ramp

primary

#1F8539

secondary

#B7499B

accent

#43BCE5

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1F8539

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

Preview Lab → · Contrast checker → · Palette generator →