#257D1F#257D1F

#257D1F is a mid, vivid green. Relative luminance 0.152; OKLCH L 51.9% C 0.153 H 142.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#257D1F
RGB	rgb(37, 125, 31)
HSL	hsl(116, 60%, 31%)
HSV	hsv(116, 75%, 49%)
CMYK	cmyk(70.4%, 0%, 75.2%, 51%)
CIE-LAB	lab(45.85, -44.38, 41.38)
CIE-LCH	lch(45.85, 60.68, 137.00°)
OKLab	oklab(51.86% -0.1208 0.0938)
OKLCH	oklch(51.86% 0.153 142.2)
XYZ	xyz(8.3434, 15.1586, 3.7823)
Luminance	0.1516 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D1F #771F7D

analogous

#547D1F #257D1F #1F7D48

triadic

#257D1F #1F257D #7D1F25

tetradic

#257D1F #1F547D #771F7D #7D481F

square

#257D1F #1F547D #771F7D #7D481F

split-complementary

#257D1F #481F7D #7D1F54

monochromatic

#081B07 #164C13 #257D1F #34AE2B #4ED145

Accessibility & contrast

On white

5.21

#257D1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#257D1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D1F

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D1F	#FFFFFF	#000000	##FFFFFF
##257D1F	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#80710E

Deuteranopia (green-blind)

#766A29

Tritanopia (blue-blind)

#10796B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #257d1f;
/* rgb */ color: rgb(37, 125, 31);
/* oklch */ color: oklch(51.9% 0.153 142.2);

Tailwind

colors: {
  custom: {
    50: '#6da461',
    500: '#257d1f',
    950: '#000000',
  },
}

SCSS

$custom: #257d1f;
$custom-light: #6da461;
$custom-dark: #000000;

JSON

{
  "hex": "#257d1f",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 31
  },
  "hsl": {
    "h": 116.17,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.51858,
    "c": 0.15297,
    "h": 142.2
  },
  "luminance": 0.15159
}

Semantic roles & 50–950 ramp

primary

#257D1F

secondary

#A948B0

accent

#44E3D9

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#080F05

muted

#7B7F79

Preview Lab

Preview with #257D1F

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

Preview Lab → · Contrast checker → · Palette generator →