#1F901D#1F901D

#1F901D is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.1% C 0.178 H 142.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F901D
RGB	rgb(31, 144, 29)
HSL	hsl(119, 66%, 34%)
HSV	hsv(119, 80%, 56%)
CMYK	cmyk(78.5%, 0%, 79.9%, 43.5%)
CIE-LAB	lab(52.20, -52.11, 48.35)
CIE-LCH	lch(52.20, 71.08, 137.14°)
OKLab	oklab(57.09% -0.1415 0.1081)
OKLCH	oklch(57.09% 0.178 142.6)
XYZ	xyz(10.7594, 20.3253, 4.5183)
Luminance	0.2033 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F901D #8E1D90

analogous

#59901D #1F901D #1D9055

triadic

#1F901D #1D1F90 #901D1F

tetradic

#1F901D #1D5990 #8E1D90 #90551D

square

#1F901D #1D5990 #8E1D90 #90551D

split-complementary

#1F901D #551D90 #901D59

monochromatic

#092A08 #145D13 #1F901D #2AC327 #4FDB4C

Accessibility & contrast

On white

4.15

#1F901D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#1F901D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F901D

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F901D	#FFFFFF	#000000	##000000
##1F901D	1.00	4.15	5.07	5.07
#FFFFFF	4.15	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)

#938200

Deuteranopia (green-blind)

#87792B

Tritanopia (blue-blind)

#008C7B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1f901d;
/* rgb */ color: rgb(31, 144, 29);
/* oklch */ color: oklch(57.1% 0.178 142.6);

Tailwind

colors: {
  custom: {
    50: '#70b263',
    500: '#1f901d',
    950: '#000000',
  },
}

SCSS

$custom: #1f901d;
$custom-light: #70b263;
$custom-dark: #000000;

JSON

{
  "hex": "#1f901d",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 29
  },
  "hsl": {
    "h": 118.957,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.57092,
    "c": 0.17808,
    "h": 142.6
  },
  "luminance": 0.20327
}

Semantic roles & 50–950 ramp

primary

#1F901D

secondary

#BB4BBD

accent

#3EE9E6

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1F901D

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

Preview Lab → · Contrast checker → · Palette generator →