#1F9540#1F9540

#1F9540 is a mid, vivid green. Relative luminance 0.222; OKLCH L 58.8% C 0.159 H 147.7°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F9540
RGB	rgb(31, 149, 64)
HSL	hsl(137, 66%, 35%)
HSV	hsv(137, 79%, 58%)
CMYK	cmyk(79.2%, 0%, 57%, 41.6%)
CIE-LAB	lab(54.19, -50.07, 35.61)
CIE-LCH	lch(54.19, 61.44, 144.58°)
OKLab	oklab(58.84% -0.1346 0.085)
OKLCH	oklch(58.84% 0.159 147.7)
XYZ	xyz(12.2370, 22.1549, 8.4809)
Luminance	0.2216 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9540 #951F74

analogous

#39951F #1F9540 #1F957B

triadic

#1F9540 #401F95 #95401F

tetradic

#1F9540 #1F3995 #951F74 #957B1F

square

#1F9540 #1F3995 #951F74 #957B1F

split-complementary

#1F9540 #7B1F95 #951F39

monochromatic

#0A3014 #14622A #1F9540 #2AC856 #53DB79

Accessibility & contrast

On white

3.87

#1F9540 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#1F9540 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9540

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9540	#FFFFFF	#000000	##000000
##1F9540	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978738

Deuteranopia (green-blind)

#897E47

Tritanopia (blue-blind)

#009282

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #1f9540;
/* rgb */ color: rgb(31, 149, 64);
/* oklch */ color: oklch(58.8% 0.159 147.7);

Tailwind

colors: {
  custom: {
    50: '#6fb577',
    500: '#1f9540',
    950: '#000000',
  },
}

SCSS

$custom: #1f9540;
$custom-light: #6fb577;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9540",
  "rgb": {
    "r": 31,
    "g": 149,
    "b": 64
  },
  "hsl": {
    "h": 136.78,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58841,
    "c": 0.15918,
    "h": 147.7
  },
  "luminance": 0.22156
}

Semantic roles & 50–950 ramp

primary

#1F9540

secondary

#BF51A0

accent

#3FB9E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #1F9540

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

Preview Lab → · Contrast checker → · Palette generator →