#1F8E2B#1F8E2B

#1F8E2B is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.6% C 0.167 H 144.3°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#1F8E2B
RGB	rgb(31, 142, 43)
HSL	hsl(126, 64%, 34%)
HSV	hsv(126, 78%, 56%)
CMYK	cmyk(78.2%, 0%, 69.7%, 44.3%)
CIE-LAB	lab(51.62, -50.25, 42.45)
CIE-LCH	lch(51.62, 65.78, 139.81°)
OKLab	oklab(56.64% -0.1358 0.0976)
OKLCH	oklch(56.64% 0.167 144.3)
XYZ	xyz(10.6734, 19.8105, 5.5463)
Luminance	0.1981 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8E2B #8E1F82

analogous

#4B8E1F #1F8E2B #1F8E63

triadic

#1F8E2B #2B1F8E #8E2B1F

tetradic

#1F8E2B #1F4B8E #8E1F82 #8E631F

square

#1F8E2B #1F4B8E #8E1F82 #8E631F

split-complementary

#1F8E2B #631F8E #8E1F4B

monochromatic

#092A0D #145C1C #1F8E2B #2AC03A #4FD95E

Accessibility & contrast

On white

4.23

#1F8E2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#1F8E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8E2B

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8E2B	#FFFFFF	#000000	##000000
##1F8E2B	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91801D

Deuteranopia (green-blind)

#847834

Tritanopia (blue-blind)

#008A7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #1f8e2b;
/* rgb */ color: rgb(31, 142, 43);
/* oklch */ color: oklch(56.6% 0.167 144.3);

Tailwind

colors: {
  custom: {
    50: '#6fb06a',
    500: '#1f8e2b',
    950: '#000000',
  },
}

SCSS

$custom: #1f8e2b;
$custom-light: #6fb06a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8e2b",
  "rgb": {
    "r": 31,
    "g": 142,
    "b": 43
  },
  "hsl": {
    "h": 126.486,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56641,
    "c": 0.16728,
    "h": 144.3
  },
  "luminance": 0.19812
}

Semantic roles & 50–950 ramp

primary

#1F8E2B

secondary

#BB4DB0

accent

#41D5E7

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081107

muted

#7B807A

Preview Lab

Preview with #1F8E2B

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

Preview Lab → · Contrast checker → · Palette generator →