#1FA03B#1FA03B

#1FA03B is a mid, vivid green. Relative luminance 0.257; OKLCH L 61.8% C 0.177 H 146.1°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#1FA03B
RGB	rgb(31, 160, 59)
HSL	hsl(133, 68%, 37%)
HSV	hsv(133, 81%, 63%)
CMYK	cmyk(80.6%, 0%, 63.1%, 37.3%)
CIE-LAB	lab(57.80, -54.51, 42.19)
CIE-LCH	lch(57.80, 68.92, 142.26°)
OKLab	oklab(61.82% -0.1467 0.0988)
OKLCH	oklch(61.82% 0.177 146.1)
XYZ	xyz(13.9243, 25.7470, 8.3726)
Luminance	0.2575 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA03B #A01F84

analogous

#44A01F #1FA03B #1FA07B

triadic

#1FA03B #3B1FA0 #A03B1F

tetradic

#1FA03B #1F44A0 #A01F84 #A07B1F

square

#1FA03B #1F44A0 #A01F84 #A07B1F

split-complementary

#1FA03B #7B1FA0 #A01F44

monochromatic

#0B3915 #156D28 #1FA03B #29D34E #5ADF77

Accessibility & contrast

On white

3.41

#1FA03B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#1FA03B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA03B

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA03B	#FFFFFF	#000000	##000000
##1FA03B	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29130

Deuteranopia (green-blind)

#948744

Tritanopia (blue-blind)

#009C8B

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1fa03b;
/* rgb */ color: rgb(31, 160, 59);
/* oklch */ color: oklch(61.8% 0.177 146.1);

Tailwind

colors: {
  custom: {
    50: '#73bd75',
    500: '#1fa03b',
    950: '#000000',
  },
}

SCSS

$custom: #1fa03b;
$custom-light: #73bd75;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa03b",
  "rgb": {
    "r": 31,
    "g": 160,
    "b": 59
  },
  "hsl": {
    "h": 133.023,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.61815,
    "c": 0.1769,
    "h": 146.1
  },
  "luminance": 0.25749
}

Semantic roles & 50–950 ramp

primary

#1FA03B

secondary

#C358AC

accent

#3DC5EA

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1FA03B

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

Preview Lab → · Contrast checker → · Palette generator →