#1F991B#1F991B

#1F991B is a mid, vivid green. Relative luminance 0.232; OKLCH L 59.6% C 0.189 H 142.5°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F991B
RGB	rgb(31, 153, 27)
HSL	hsl(118, 70%, 35%)
HSV	hsv(118, 82%, 60%)
CMYK	cmyk(79.7%, 0%, 82.4%, 40%)
CIE-LAB	lab(55.23, -55.12, 51.84)
CIE-LCH	lch(55.23, 75.67, 136.76°)
OKLab	oklab(59.61% -0.1498 0.1151)
OKLCH	oklch(59.61% 0.189 142.5)
XYZ	xyz(12.1534, 23.1515, 4.8649)
Luminance	0.2315 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F991B #951B99

analogous

#5E991B #1F991B #1B9956

triadic

#1F991B #1B1F99 #991B1F

tetradic

#1F991B #1B5E99 #951B99 #99561B

square

#1F991B #1B5E99 #951B99 #99561B

split-complementary

#1F991B #561B99 #991B5E

monochromatic

#0A3109 #146512 #1F991B #2ACD24 #53E04F

Accessibility & contrast

On white

3.73

#1F991B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#1F991B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F991B

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F991B	#FFFFFF	#000000	##000000
##1F991B	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8A00

Deuteranopia (green-blind)

#8F812B

Tritanopia (blue-blind)

#009482

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f991b;
/* rgb */ color: rgb(31, 153, 27);
/* oklch */ color: oklch(59.6% 0.189 142.5);

Tailwind

colors: {
  custom: {
    50: '#72b863',
    500: '#1f991b',
    950: '#000000',
  },
}

SCSS

$custom: #1f991b;
$custom-light: #72b863;
$custom-dark: #000000;

JSON

{
  "hex": "#1f991b",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 27
  },
  "hsl": {
    "h": 118.095,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59606,
    "c": 0.18889,
    "h": 142.5
  },
  "luminance": 0.23153
}

Semantic roles & 50–950 ramp

primary

#1F991B

secondary

#BF4EC2

accent

#3BEDE7

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1F991B

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

Preview Lab → · Contrast checker → · Palette generator →