#1F901F#1F901F

#1F901F is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.1% C 0.177 H 142.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F901F
RGB	rgb(31, 144, 31)
HSL	hsl(120, 65%, 34%)
HSV	hsv(120, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 78.5%, 43.5%)
CIE-LAB	lab(52.21, -51.96, 47.69)
CIE-LCH	lch(52.21, 70.53, 137.46°)
OKLab	oklab(57.11% -0.141 0.107)
OKLCH	oklch(57.11% 0.177 142.8)
XYZ	xyz(10.7850, 20.3355, 4.6528)
Luminance	0.2034 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F901F #901F90

analogous

#58901F #1F901F #1F9058

triadic

#1F901F #1F1F90 #901F1F

tetradic

#1F901F #1F5890 #901F90 #90581F

square

#1F901F #1F5890 #901F90 #90581F

split-complementary

#1F901F #581F90 #901F58

monochromatic

#092B09 #145E14 #1F901F #2AC22A #50D950

Accessibility & contrast

On white

4.14

#1F901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#1F901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F901F

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F901F	#FFFFFF	#000000	##000000
##1F901F	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938203

Deuteranopia (green-blind)

#87792C

Tritanopia (blue-blind)

#008C7B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1f901f;
/* rgb */ color: rgb(31, 144, 31);
/* oklch */ color: oklch(57.1% 0.177 142.8);

Tailwind

colors: {
  custom: {
    50: '#70b264',
    500: '#1f901f',
    950: '#000000',
  },
}

SCSS

$custom: #1f901f;
$custom-light: #70b264;
$custom-dark: #000000;

JSON

{
  "hex": "#1f901f",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 120,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57106,
    "c": 0.17704,
    "h": 142.8
  },
  "luminance": 0.20337
}

Semantic roles & 50–950 ramp

primary

#1F901F

secondary

#BC4EBC

accent

#40E8E8

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1F901F

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

Preview Lab → · Contrast checker → · Palette generator →