#1FA021#1FA021

#1FA021 is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.6% C 0.194 H 142.9°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#1FA021
RGB	rgb(31, 160, 33)
HSL	hsl(121, 68%, 37%)
HSV	hsv(121, 81%, 63%)
CMYK	cmyk(80.6%, 0%, 79.4%, 37.3%)
CIE-LAB	lab(57.60, -56.94, 52.24)
CIE-LCH	lch(57.60, 77.28, 137.46°)
OKLab	oklab(61.59% -0.1545 0.1168)
OKLCH	oklch(61.59% 0.194 142.9)
XYZ	xyz(13.4095, 25.5411, 5.6618)
Luminance	0.2554 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA021 #A01F9E

analogous

#5EA01F #1FA021 #1FA061

triadic

#1FA021 #211FA0 #A0211F

tetradic

#1FA021 #1F5EA0 #A01F9E #A0611F

square

#1FA021 #1F5EA0 #A01F9E #A0611F

split-complementary

#1FA021 #611FA0 #A01F5E

monochromatic

#0B390C #156D16 #1FA021 #29D32C #5ADF5C

Accessibility & contrast

On white

3.44

#1FA021 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#1FA021 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA021

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA021	#FFFFFF	#000000	##000000
##1FA021	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#968730

Tritanopia (blue-blind)

#009B88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1fa021;
/* rgb */ color: rgb(31, 160, 33);
/* oklch */ color: oklch(61.6% 0.194 142.9);

Tailwind

colors: {
  custom: {
    50: '#74bd67',
    500: '#1fa021',
    950: '#000000',
  },
}

SCSS

$custom: #1fa021;
$custom-light: #74bd67;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa021",
  "rgb": {
    "r": 31,
    "g": 160,
    "b": 33
  },
  "hsl": {
    "h": 120.93,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.61588,
    "c": 0.19365,
    "h": 142.9
  },
  "luminance": 0.25543
}

Semantic roles & 50–950 ramp

primary

#1FA021

secondary

#C358C1

accent

#3DE8EA

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1FA021

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

Preview Lab → · Contrast checker → · Palette generator →