#257D4E#257D4E

#257D4E is a mid, moderate green. Relative luminance 0.156; OKLCH L 52.6% C 0.111 H 155.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#257D4E
RGB	rgb(37, 125, 78)
HSL	hsl(148, 54%, 32%)
HSV	hsv(148, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 37.6%, 51%)
CIE-LAB	lab(46.46, -37.41, 18.30)
CIE-LCH	lch(46.46, 41.65, 153.93°)
OKLab	oklab(52.56% -0.1013 0.0459)
OKLCH	oklch(52.56% 0.111 155.6)
XYZ	xyz(9.4708, 15.6096, 9.7201)
Luminance	0.1561 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D4E #7D2554

analogous

#287D25 #257D4E #257D7A

triadic

#257D4E #4E257D #7D4E25

tetradic

#257D4E #25287D #7D2554 #7D7A25

square

#257D4E #25287D #7D2554 #7D7A25

split-complementary

#257D4E #7A257D #7D2528

monochromatic

#091F13 #174E31 #257D4E #33AC6B #51CB8A

Accessibility & contrast

On white

5.09

#257D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#257D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D4E

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D4E	#FFFFFF	#000000	##FFFFFF
##257D4E	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C734B

Deuteranopia (green-blind)

#716B51

Tritanopia (blue-blind)

#007C71

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #257d4e;
/* rgb */ color: rgb(37, 125, 78);
/* oklch */ color: oklch(52.6% 0.111 155.6);

Tailwind

colors: {
  custom: {
    50: '#6ca380',
    500: '#257d4e',
    950: '#000000',
  },
}

SCSS

$custom: #257d4e;
$custom-light: #6ca380;
$custom-dark: #000000;

JSON

{
  "hex": "#257d4e",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 78
  },
  "hsl": {
    "h": 147.955,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52557,
    "c": 0.11119,
    "h": 155.6
  },
  "luminance": 0.15611
}

Semantic roles & 50–950 ramp

primary

#257D4E

secondary

#AF4F82

accent

#4A99DE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#070F0A

muted

#7A7F7C

Preview Lab

Preview with #257D4E

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

Preview Lab → · Contrast checker → · Palette generator →