#1F9051#1F9051

#1F9051 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.7% C 0.137 H 153.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F9051
RGB	rgb(31, 144, 81)
HSL	hsl(147, 65%, 34%)
HSV	hsv(147, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 43.8%, 43.5%)
CIE-LAB	lab(52.76, -45.41, 24.93)
CIE-LCH	lch(52.76, 51.80, 151.23°)
OKLab	oklab(57.74% -0.1222 0.0617)
OKLCH	oklch(57.74% 0.137 153.2)
XYZ	xyz(12.0224, 20.8305, 11.1700)
Luminance	0.2083 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9051 #901F5E

analogous

#26901F #1F9051 #1F908A

triadic

#1F9051 #511F90 #90511F

tetradic

#1F9051 #1F2690 #901F5E #908A1F

square

#1F9051 #1F2690 #901F5E #908A1F

split-complementary

#1F9051 #8A1F90 #901F26

monochromatic

#092B18 #145E35 #1F9051 #2AC26D #50D98D

Accessibility & contrast

On white

4.06

#1F9051 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#1F9051 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9051

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9051	#FFFFFF	#000000	##000000
##1F9051	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90844C

Deuteranopia (green-blind)

#837A55

Tritanopia (blue-blind)

#008E81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1f9051;
/* rgb */ color: rgb(31, 144, 81);
/* oklch */ color: oklch(57.7% 0.137 153.2);

Tailwind

colors: {
  custom: {
    50: '#6eb182',
    500: '#1f9051',
    950: '#000000',
  },
}

SCSS

$custom: #1f9051;
$custom-light: #6eb182;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9051",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 81
  },
  "hsl": {
    "h": 146.549,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57738,
    "c": 0.13685,
    "h": 153.2
  },
  "luminance": 0.20832
}

Semantic roles & 50–950 ramp

primary

#1F9051

secondary

#BC4E8C

accent

#409EE8

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#08110A

muted

#7B807C

Preview Lab

Preview with #1F9051

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

Preview Lab → · Contrast checker → · Palette generator →