#1FA01C#1FA01C

#1FA01C is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.6% C 0.196 H 142.5°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#1FA01C
RGB	rgb(31, 160, 28)
HSL	hsl(119, 70%, 37%)
HSV	hsv(119, 83%, 63%)
CMYK	cmyk(80.6%, 0%, 82.5%, 37.3%)
CIE-LAB	lab(57.57, -57.26, 53.74)
CIE-LCH	lch(57.57, 78.52, 136.82°)
OKLab	oklab(61.56% -0.1555 0.1192)
OKLCH	oklch(61.56% 0.196 142.5)
XYZ	xyz(13.3446, 25.5151, 5.3200)
Luminance	0.2552 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA01C #9D1CA0

analogous

#61A01C #1FA01C #1CA05B

triadic

#1FA01C #1C1FA0 #A01C1F

tetradic

#1FA01C #1C61A0 #9D1CA0 #A05B1C

square

#1FA01C #1C61A0 #9D1CA0 #A05B1C

split-complementary

#1FA01C #5B1CA0 #A01C61

monochromatic

#0B380A #156C13 #1FA01C #29D425 #58E155

Accessibility & contrast

On white

3.44

#1FA01C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#1FA01C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA01C

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA01C	#FFFFFF	#000000	##000000
##1FA01C	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#96872D

Tritanopia (blue-blind)

#009B88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1fa01c;
/* rgb */ color: rgb(31, 160, 28);
/* oklch */ color: oklch(61.6% 0.196 142.5);

Tailwind

colors: {
  custom: {
    50: '#74bd65',
    500: '#1fa01c',
    950: '#000000',
  },
}

SCSS

$custom: #1fa01c;
$custom-light: #74bd65;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa01c",
  "rgb": {
    "r": 31,
    "g": 160,
    "b": 28
  },
  "hsl": {
    "h": 118.636,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.61559,
    "c": 0.19595,
    "h": 142.5
  },
  "luminance": 0.25517
}

Semantic roles & 50–950 ramp

primary

#1FA01C

secondary

#C253C4

accent

#3BEDE9

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1FA01C

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

Preview Lab → · Contrast checker → · Palette generator →