#1F8731#1F8731

#1F8731 is a mid, vivid green. Relative luminance 0.178; OKLCH L 54.7% C 0.154 H 145.6°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F8731
RGB	rgb(31, 135, 49)
HSL	hsl(130, 63%, 33%)
HSV	hsv(130, 77%, 53%)
CMYK	cmyk(77%, 0%, 63.7%, 47.1%)
CIE-LAB	lab(49.30, -47.15, 37.19)
CIE-LCH	lch(49.30, 60.05, 141.73°)
OKLab	oklab(54.73% -0.1272 0.0871)
OKLCH	oklch(54.73% 0.154 145.6)
XYZ	xyz(9.7827, 17.8399, 5.8330)
Luminance	0.1784 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8731 #871F75

analogous

#41871F #1F8731 #1F8765

triadic

#1F8731 #311F87 #87311F

tetradic

#1F8731 #1F4187 #871F75 #87651F

square

#1F8731 #1F4187 #871F75 #87651F

split-complementary

#1F8731 #651F87 #871F41

monochromatic

#08230D #14551F #1F8731 #2AB943 #4BD663

Accessibility & contrast

On white

4.60

#1F8731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#1F8731 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1F8731

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8731	#FFFFFF	#000000	##FFFFFF
##1F8731	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#897A27

Deuteranopia (green-blind)

#7D7238

Tritanopia (blue-blind)

#008475

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f8731;
/* rgb */ color: rgb(31, 135, 49);
/* oklch */ color: oklch(54.7% 0.154 145.6);

Tailwind

colors: {
  custom: {
    50: '#6dab6c',
    500: '#1f8731',
    950: '#000000',
  },
}

SCSS

$custom: #1f8731;
$custom-light: #6dab6c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8731",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 49
  },
  "hsl": {
    "h": 130.385,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.54732,
    "c": 0.15415,
    "h": 145.6
  },
  "luminance": 0.17841
}

Semantic roles & 50–950 ramp

primary

#1F8731

secondary

#B84AA5

accent

#42C9E6

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #1F8731

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

Preview Lab → · Contrast checker → · Palette generator →