#1F902B#1F902B

#1F902B is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.2% C 0.170 H 144.2°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F902B
RGB	rgb(31, 144, 43)
HSL	hsl(126, 65%, 34%)
HSV	hsv(126, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 70.1%, 43.5%)
CIE-LAB	lab(52.30, -50.92, 43.17)
CIE-LCH	lch(52.30, 66.76, 139.71°)
OKLab	oklab(57.2% -0.1377 0.0992)
OKLCH	oklch(57.2% 0.17 144.2)
XYZ	xyz(10.9736, 20.4109, 5.6464)
Luminance	0.2041 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F902B #901F84

analogous

#4C901F #1F902B #1F9064

triadic

#1F902B #2B1F90 #902B1F

tetradic

#1F902B #1F4C90 #901F84 #90641F

square

#1F902B #1F4C90 #901F84 #90641F

split-complementary

#1F902B #641F90 #901F4C

monochromatic

#092B0D #145E1C #1F902B #2AC23A #50D95F

Accessibility & contrast

On white

4.13

#1F902B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#1F902B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F902B

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F902B	#FFFFFF	#000000	##000000
##1F902B	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93821C

Deuteranopia (green-blind)

#867935

Tritanopia (blue-blind)

#008C7C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1f902b;
/* rgb */ color: rgb(31, 144, 43);
/* oklch */ color: oklch(57.2% 0.170 144.2);

Tailwind

colors: {
  custom: {
    50: '#6fb26a',
    500: '#1f902b',
    950: '#000000',
  },
}

SCSS

$custom: #1f902b;
$custom-light: #6fb26a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f902b",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 43
  },
  "hsl": {
    "h": 126.372,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57203,
    "c": 0.16966,
    "h": 144.2
  },
  "luminance": 0.20412
}

Semantic roles & 50–950 ramp

primary

#1F902B

secondary

#BC4EB1

accent

#40D6E8

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091107

muted

#7B807A

Preview Lab

Preview with #1F902B

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

Preview Lab → · Contrast checker → · Palette generator →