#15553A

Closest named color: Dark Blue Green (#005249). oklch(40.2% 0.079 161), rgb(21, 85, 58).

Aa

White text reads best on this color (8.77:1).

About this color

#15553A is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.079 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.030 away. White text reads best on it, at 8.77:1.

Hue familyGreens
Lightnessdark (40%)
Chromamoderately saturated (0.079)
Temperaturein between
Nearest nameDark Blue Green (#005249)
Black text2.39:1
White text8.77:1

Values

HEX#15553A
RGBrgb(21, 85, 58)
HSLhsl(155, 60%, 21%)
OKLCHoklch(40.2% 0.079 161)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #15553A 8.77:1 AAA Lc -94.2 Preferred for body text
Black text on #15553A 2.39:1 Fails Lc 14.2 Not readable
#15553A text on white 8.77:1 AAA Lc 89.7 Fine for body text
#15553A text on black 2.39:1 Fails Lc -12.5 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.

  1. Step 50

    50

    #F1F7F4

    oklch(97.1% 0.007 164.9)

  2. Step 100

    100

    #E1EEE6

    oklch(93.7% 0.017 159.1)

  3. Step 200

    200

    #C7E0D2

    oklch(88.4% 0.033 161.2)

  4. Step 300

    300

    #A0CDB4

    oklch(80.9% 0.059 160.4)

  5. Step 400

    400

    #67B38D

    oklch(70.7% 0.095 160.9)

  6. Step 500

    500

    #34A071

    oklch(63.2% 0.121 160.7)

  7. Step 600

    600

    #00895B

    oklch(55.6% 0.124 161)

  8. Step 700

    700

    #00734C

    oklch(49.1% 0.109 161.2)

  9. Step 800

    800

    #005E3D

    oklch(42.6% 0.095 160.9)

  10. Step 900

    900 (this color)

    #15553A

    oklch(40.2% 0.079 161)

  11. Step 950

    950

    #0B2E1E

    oklch(27.1% 0.05 160.2)

Export this scale for Tailwind in the Tailwind colors tool

#15553A with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#544E380.075
Deuteranopia (no green cones)#4B483C0.073
Tritanopia (no blue cones)#00554E0.032
Achromatopsia (no color)#4B4B4B0.079

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #15553A

    #15553A

    oklch(40.2% 0.079 161)

  • #643655

    #643655

    oklch(40.2% 0.079 340.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #15553A

    #15553A

    oklch(40.2% 0.079 161)

  • #395120

    #395120

    oklch(40.3% 0.08 130.9)

  • #005451

    #005451

    oklch(40.3% 0.069 190.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #15553A

    #15553A

    oklch(40.2% 0.079 161)

  • #563B67

    #563B67

    oklch(40.2% 0.079 311.4)

  • #6C353E

    #6C353E

    oklch(40.3% 0.079 10.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #15553A

    #15553A

    oklch(40.2% 0.079 161)

  • #414272

    #414272

    oklch(40.1% 0.08 281.3)

  • #6B3825

    #6B3825

    oklch(40.1% 0.079 40.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #15553A

    #15553A

    oklch(40.2% 0.079 161)

  • #254A71

    #254A71

    oklch(40.1% 0.079 251.5)

  • #643655

    #643655

    oklch(40.2% 0.079 340.6)

  • #62400E

    #62400E

    oklch(40.2% 0.078 71.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15553A, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #15553A in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.